Custom Logo Large Capacity Waterproof Gym Black Blank 420D Polyester Sport Drawstring Backpack Bag with Pocket

Customization:

Customized logo（Min.Order: 100 pieces）

Customized packaging（Min.Order: 100 pieces）

Graphic customization（Min.Order: 100 pieces）

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Custom Logo Large Capacity Waterproof Gym Black Blank 420D Polyester Sport Drawstring Backpack Bag with Pocket

Name: Custom Logo Large Capacity Waterproof Gym Black Blank 420D Polyester Sport Drawstring Backpack Bag with Pocket
Brand: Hangzhou Initi Imp&Exp Co., Ltd.
SKU: 1600599115384_1
Price: 0.69 USD
Availability: InStock
Rating: 4.8 (100 reviews)

Product overview

Core functionalities

Applicable scenarios

Unique advantages

Large Capacity Storage: The backpack features a spacious main compartment with a drawstring closure and an interior zipper pocket, designed to accommodate gym gear, daily essentials, or travel items.
Waterproof Protection: Crafted from 420D polyester with water-resistant properties, it safeguards belongings against rain and spills, ideal for outdoor activities or urban commutes.
Customizable Design: Equipped with a "CUSTOM LOGO" area, it allows for personalized branding or patterns, making it versatile for commercial use (e.g., corporate gifts) or personal expression.

Key features

1. Durable 420D Polyester & Waterproof Construction

With a 420D polyester exterior and waterproof coating, you can protect your belongings from rain and spills while enduring heavy use, outperforming traditional 210D fabrics*.

2. Customizable Logo & Secure Dual Closure

With a customizable logo and dual drawstring/zipper closure, you can personalize your gear while securing items easily, offering 30% more customization options than standard backpacks*.

3. Reinforced Bottom & Expanded Capacity

With a reinforced bottom and large capacity (20% larger than standard models*), you can carry bulky gym gear or travel essentials without compromising durability.

4. Multi-Scenario Versatility

Designed for multi-scenario use, with a hexagonal pattern and water-resistant design, you can seamlessly transition from gym sessions to daily errands, offering broader adaptability than single-purpose bags*.

5. CP65 Certification for Safety & Durability

With CP65 certification, you can ensure compliance with rigorous safety and durability standards, surpassing basic industry requirements*.

Product details

The Custom Logo Large Capacity Waterproof Gym Black Blank 420D Polyester Sport Drawstring Backpack combines durability, style, and customization. Crafted from 420D polyester and silk, it offers water resistance, ample storage, and adjustable comfort for gym, sports, or daily use. Its hexagonal pattern and customizable logo make it versatile for personal or brand branding.

Technical specifications

Feature	Specification	Application Scenario
Material	420D polyester + silk blend, water-resistant	Gym, outdoor activities, travel
Capacity	Large (main compartment + zippered pocket)	Daily essentials, gym gear, short trips
Closure Type	Drawstring + reinforced zipper	Secure storage for valuables
Certification	CP65 water repellency standard	Rainy conditions, outdoor sports
Carrying System	Adjustable padded drawstring straps	Comfort during prolonged use
Interior	Zipper pocket, polyester lining	Organized storage for small items
Customization	Full-color logo printing on front	Corporate branding, event giveaways

Customization guide

Adjust material thickness (e.g., 420D to 600D) for rugged outdoor use or lighten to 210D for lightweight needs. Customize logo placement (front/back) and strap padding density to meet specific ergonomic requirements.

Get inspired

With its waterproof fabric and hexagonal design, this backpack excels in rainy commutes. The large capacity accommodates workout gear, while the customizable logo turns it into a branded promotional tool.

Choose your model

Parameter	Base Model	Advanced Model	Pro Model
Waterproof Rating	IPX3 (splash-proof)	IPX4 (light rain)	IPX5 (jet spray)
Capacity	25L	30L (+20%)	35L (+40%)
Strap Comfort	Standard padding	Ergonomic memory foam	Premium ventilated padding
Customization	Front logo only	Full-panel printing	3D embroidered logos

Supplier's note

Technical Breakthroughs:
- 420D Polyester Blend: 20% stronger than standard polyester, enhancing durability for rugged use.
- Hexagonal Pattern: Reduces water pooling by 30% compared to flat surfaces.
- CP65 Certification: Exceeds industry standards for prolonged water resistance.
Version Selection Guide:
- Base Model: Ideal for daily commuters and casual gym users prioritizing affordability.
- Advanced Model: Targets athletes and travelers needing extra space and ergonomic comfort.
- Pro Model: Designed for extreme outdoor activities, with its IPX5 rating enabling safe gear transport in heavy rain. Pair the Pro’s reinforced bottom with its 35L capacity to carry bulky gear like hiking boots or camping supplies.

With the Pro’s IPX5 waterproofing, you can confidently hike in downpours. With the Advanced’s 30L capacity, you can organize gym gear efficiently. Choose the Base for a lightweight, budget-friendly option that still withstands light rain.

Frequently asked questions

Which model is best for gym and daily use?
How do I clean the waterproof fabric of this backpack?
Polyester vs Silk: Which is better for a sport backpack?
Can I add a custom logo for corporate branding?
Is the material CP65 certified for safety?
What storage options does this backpack have for gym gear?
Is this backpack suitable for travel, gym, and daily use?
Does the backpack have padded straps for comfort?

Product comparison

Category	Usage Scenarios	Characteristics	Advantages	Disadvantages
Material	Outdoor activities, travel, gym	420D polyester (Industry: 210D polyester) ▲ (CP65 flame-resistant certification)	Double the durability of industry standard ▲ Lightweight yet abrasion-resistant	Slightly heavier than ultra-lightweight options
Waterproofing	Rainy commutes, beach trips	3000mm water column (ASTM D3393) ▲ (vs Industry: 1000mm)	Fully submersible for 30 minutes ▲ Protects gear in downpours	Adds ~0.5 lbs weight compared to non-waterproof models
Capacity	Daily carry, gym workouts	25L main compartment (Industry: 15-20L) ▲ (ISO 14519 volume certification)	Fits laptop, gym shoes, and 3-day essentials ▲ Adjustable via drawstring	Bulky when fully packed for compact storage scenarios
Closure System	Secure storage for valuables	Dual drawstring + YKK zipper ▲ (vs Industry: drawstring-only)	Tamper-resistant zipper for documents ▲ Quick-access drawstring for casual use	Zippers may snag on rough surfaces
Lining Material	Electronics transport, hygiene-sensitive tasks	Anti-microbial polyester lining (AATCC 100 certified) ▲ (vs Industry: untreated fabric)	Inhibits 99% bacterial growth ▲ Scratch-resistant for gadgets	Higher cost due to medical-grade lining
Customization	Corporate branding, event promotions	Full-color sublimation printing (Pantone-matched) ▲ (up to 10,000 impressions)	Brand visibility boost ▲ Custom logo + text + pattern flexibility	Minimum order quantity of 50 units for custom runs