1. Bike bag HARD SHELL SURFACE: Designed with special EVA hard shell material, wearable,durable and drop resistance, protect your items well when getting external shocks.
2. WATERPROOF MATERIAL: This bike phone bag is made of waterproof material, designed with dual waterproof zipper keep your items dry when you meet rainy days or extreme environments
3.size 8.07*3.93*4.92 inch