Features: Select and thicken waterproof fabric, rain proof and wear-resistant, and give two dust-proof covers, double waterproof travel without worry. Install a strap to change one shoulder in seconds, double shoulder backpack, multi-purpose bag, can carry two kinds of capacity compatible for various purposes. Highly reflective strips are installed on both sides to enhance the safety of night and haze travel. volume can not be pressed, resistant to falling, wear-resistant, tear-resistant. Specifiction : Model: 11-MC-0102 Color: Red, Blue, Green, Reflective Material: thickened water repellent Oxcompatible for d cloth + carbon fiber pattern Size (approx.): Becompatible for e : 29*20*43cm/11.42*7.87*16.93inch. After: 29*30*43/11.42*11.81*16.93inch. Weight: About 1.3KG Accessories: Backseat installation belt, strap, shoulder strap Package Include: 1 x Motorcycle bag 1 x Motorcycle bag cover FAQ: Question: did this bag waterproof ? Answer: Yes ,this link has 4 model bag ,all is waterproof Question:is this link all helmet bag ? Answer: NO , only model 11-MC-0102 is helmet bag ,other bag can't packing helmet Question: When it will ship ? Answer:we will ship it within 24 hours except weekend Question: When it will arrival? Answer:we will ship by online shipping , it namal will arrival within 7-45days , if long time haven't arrival