Watch size:38mm*38mm*11mm 46.5mm*38.5mm*11mm material: Silicone/steel belt/belt (optional combination) Band Width: 20mm Packaging box size:160mm*100mm*23mm package weight:140g Carton size:525mm*340mm*255mm Number of units per box(pcs):100pcs Single head+strap weight: 41g(silicone strap) Total weight (box)(KG): 14.2KG