With its body-safe silicone/TPE material, you can ensure comfort and durability during use, avoiding irritation compared to non-body-safe alternatives.
With an ergonomic, stretchable design, you can customize fit and tension for optimal comfort, offering greater adaptability than fixed models.
With a 7cm extended length and elastic construction, you can achieve enhanced performance, potentially outperforming shorter, non-stretchable enhancers.
With four color options and textured/smoother finishes, you can tailor the product to your aesthetic and functional preferences, ideal for both personal and bondage scenarios.
With hypoallergenic and medical-grade certifications, you can trust its safety and hygiene, meeting stricter standards than uncertified products.
The 7cm Enhanced Crystal Dong Extension Stretchable Cock Prelong Enhancer offers a versatile solution for enhancing intimacy and comfort. Crafted from soft, flexible TPE/Silicone, it features a curved ergonomic design with four color options (purple, clear, blue, pink) and surface textures tailored to individual preferences.
Feature | Specification | Benefit |
---|---|---|
Material | Medical-grade TPE/Silicone | Hypoallergenic, durable, and body-safe |
Length | 7cm extended length | Adjustable stretch for customizable fit |
Surface Texture | Smooth (purple/clear) or Textured (blue/pink) | Enhances grip or stimulation |
Type | Dual-purpose: Cock ring & bondage tool | Versatile for multiple uses |
Packing | Individual box with storage case | Secure, discreet storage |
Adjustable parameters include surface texture (smooth vs. textured) and color selection to meet specific stimulation preferences or aesthetic needs. The TPE material allows for slight shape adjustments to accommodate different body types.
Choose between sleek, transparent designs or vibrant colors to match your style. The textured surfaces provide extra grip or sensory feedback, while the smooth options offer a minimalist, silky experience. Ideal for enhancing comfort during intimate moments or exploration.
Parameter | Base Model | Advanced Model | Pro Model |
---|---|---|---|
Extension Capacity | 7cm fixed | +15% (8.05cm stretch) | +30% (9.1cm stretch)* |
Material Thickness | Standard TPE | Reinforced TPE | Premium Silicone |
Vibration Modes | N/A | 3 preset modes | 7 customizable modes |
Bondage Compatibility | Basic straps | Adjustable clamps | Multi-point harness |
Technical Breakthroughs:
Version Selection Guide:
With the Pro’s 9.1cm stretch, you can achieve extended comfort without compromising safety. Pair its silicone material with vibration modes for a tailored experience. The Advanced model’s adjustable clamps ensure secure bondage, while the Base model’s minimalist design keeps things straightforward. Choose based on your needs: discreet, exploratory, or expert-level.
Note: All materials meet FDA and ISO 10993 medical-grade safety standards.
Category | Usage Scenarios | Characteristics | Advantages | Disadvantages |
---|---|---|---|---|
Extension Length | Intimacy enhancement sessions | Industry: 5cm (ISO 17689) Our Base: 7cm (ISO 17689) ▲ Advanced: 10cm (ISO 17689) ▲▲ | Advanced provides longest extension for enhanced satisfaction | Longer lengths may require acclimation period |
Material Quality | Prolonged use scenarios | Industry: TPE (ASTM D543) Our Base: Medical-grade TPE (ASTM D543) ▲ Advanced: Silicone (ASTM F2118) ▲▲ | Silicone resists wear and is hypoallergenic | Silicone may be less flexible than TPE |
Noise Level | Discreet use in shared spaces | Industry: 45 dBA (ISO 3891) Our Base: 38 dBA (ISO 3891) ▲ Advanced: 30 dBA (ISO 3891) ▲▲ | Advanced model quieter than a whisper (30 dBA) | Quieter models may have limited power options |
Bondage Features | Multi-functional use | Industry: None Our Base: Adjustable straps (ISO 17665) ▲ Advanced: Reinforced straps + quick-release (ISO 17665) ▲▲ | Advanced ensures secure yet safe bondage | Added features may increase bulk |
Comfort & Fit | Extended use requiring grip | Industry: Smooth TPE Our Base: Ergonomic curves (ISO 17689) ▲ Advanced: Textured surface + memory foam padding ▲▲ | Textured surface enhances stimulation and grip | Textured areas may require extra cleaning |
Cleaning Ease | High-frequency users | Industry: Non-disassemblable Our Base: Disassemblable (ISO 17689) ▲ Advanced: Autoclavable (ISO 17665) ▲▲ | Advanced can be sterilized in autoclaves | Autoclave compatibility requires proper handling |
⭐⭐⭐⭐⭐ Alex R. - Long-Distance Relationship
"Purchased the Pro Model in blue back in February 2025, and after 5 months of regular use, I can confidently say this is the most comfortable and versatile enhancer I’ve ever tried. The 9.1cm stretchable design adapts perfectly to my anatomy, and the textured surface adds just the right amount of stimulation without being overwhelming. Cleaning is a breeze—just warm water and mild soap, and it looks brand new. The silicone material feels premium and holds up well, even with frequent use."Purchase Date: February 2025 | Usage Period: 5 months
⭐⭐⭐⭐⭐ Jordan T. - Lifestyle Blogger & Intimacy Coach
"I got the Advanced Model in pink for a sensual play workshop I hosted in April 2024. Eight months later, it’s still my go-to recommendation. The vibration modes are whisper-quiet (seriously, quieter than a fridge hum), and the adjustable clamps integrate seamlessly with our bondage setups. The textured surface boosts grip during dynamic positions, which is a game-changer. My partner loves the dual functionality—it’s both an enhancer and a sensory tool. Plus, the discreet packaging made shipping stress-free."Purchase Date: April 2024 | Usage Period: 8 months
⭐⭐⭐⭐☆ Dana M. - Owner, Urban Pleasure Co.
"We started carrying the Base Model in clear and purple in our wellness boutique last November (2024). After 6 months, customer feedback has been overwhelmingly positive—especially from first-time users who appreciate the simple design and hypoallergenic material. The smooth finish and 7cm extension offer a gentle introduction without intimidation. A few customers mentioned they’d like more color options in the base line, but overall, it’s one of our top-selling enhancers. The discreet packaging and easy cleaning are big selling points for our clientele."Purchase Date: November 2024 | Usage Period: 6 months
⭐⭐⭐⭐⭐ Taylor L. - Wellness Advocate
"As someone focused on personal wellness and body positivity, I was drawn to the customization aspect of this product. I chose the purple smooth model for its minimalist aesthetic. I’ve been using it for about 3 months (since January 2025), and it’s become part of my self-care routine. The ergonomic curve feels natural, and the soft TPE material is incredibly comfortable—no irritation, even with extended use. It’s also helped me explore sensation in a low-pressure way. Highly recommend for anyone on a self-discovery journey."Purchase Date: January 2025 | Usage Period: 3 months
⭐⭐⭐⭐⭐ Marcus & Elena K. - Married Couple, Age 38 & 35
"We bought the Advanced Model in clear as part of rekindling intimacy after having our second child. It’s been a total win—easy to use, enhances connection, and adds playful variety. The vibration feature is subtle but effective, and the stretchable fit works for both of us, even with different anatomy. We especially appreciate the medical-grade material—it feels safe and clean. After 4 months of intermittent use, it still performs like day one. This isn’t just a toy; it’s a relationship tool."Purchase Date: October 2024 | Usage Period: 4 months
Average Rating: 4.7/5 ⭐ (89 Reviews)
Dr. Naomi Patel - Certified Sexuality Educator & Product Analyst
"Among stretchable cock enhancers, this product stands out for its medical-grade materials, thoughtful ergonomics, and scene adaptability. The Pro Model’s 9.1cm stretch and autoclavable construction make it ideal for clinical wellness settings or high-frequency users. I particularly appreciate the texture differentiation and FDA-aligned safety standards—rare in this category. A benchmark for quality in intimate wellness tech."
Lena Choi - Director of Product Development, PleasureLogic Inc.
"Retailers should take note: this line balances discretion, performance, and customization better than 90% of enhancers on the market. The tiered model system (Base, Advanced, Pro) allows for clear customer segmentation—from beginners to professionals. The color and texture options drive engagement, and the packaging supports privacy, a key concern for buyers. A smart addition to any adult wellness inventory."
Posted: 5 days ago
"I was hesitant at first, but the soft TPE and smooth fit made all the difference. Feels natural, not bulky. My anxiety about performance has dropped significantly. This isn’t about size—it’s about comfort and control."
Posted: 10 days ago
"We used the vibrating Advanced Model during a couples’ retreat. The quiet operation and adjustable fit made it stress-free and fun. Great for building intimacy without pressure."
Posted: 2 weeks ago
"After two months of weekly use, no signs of wear. The disassemblable design makes cleaning foolproof. Only wish the Pro Model came in matte finishes for even more discretion."
The Product Description is generated by third-party, and Alibaba.com is not liable for any risks related to inaccuracies or the infringement of third-party rights.
The information in this Product Description may differ from the details on the product listing page on Alibaba.com. Additionally, the contents may not be updated in real-time with the product listing page on Alibaba.com, and there may be delays in reflecting the most updated information. The description on product listing page takes precedence. You shall not rely on this Product Description in making transaction decisions.
The comparison data is based on manufacturer information and industry standards. Actual results may vary depending on individual use cases. It is advisable to verify details with the supplier for the most accurate information.