ROCKBROS Bike Seat Bag Waterproof Bike Bag Under Seat Bicycle Saddle Bag Road Mountain Bike Seat Pack Cycling Pouch Accessories

Product Details: Brand: RockBros Material: 840D Nylon + TPU Weight: 138 grams ( 0.3 pounds) Size: W 3.35 * L 6.5 * H 4.13 inches ( 8 * 23 * 10 cm) Color: Black,Black Yellow Washing Warnings: Wash with cool water: 30 degree Do not brush, Do not bleach Features: Waterproof:Complete waterproof bag design for you advoiding the dilemma from leaky bag Non-defrmation:Built-in PP board keeps bag shape and durable.Easy to clean with a wet cloth 3 Layer Protectction: 0.1 TPU + 840D Nylon + 0.1 TPU with electrionic sean welding system ,all this for your complete waterproof bag Folding Sealed:New design bag seal way without zippers preventing water into the bag inside.Stickup folding sercurely storage belongings Easy to install: 2 stickup strapes and a buckle simplify mount system.Moreover , it keeps bag sercurely attach to seat post Upgrading mounting system:Clamps combine with stickup hold the bag securely on the seat post.Suitable for variety kinds of mountain bike ,road bikes and folding bikes