Features1EVA, Rubber Material: Our bike bag is made of EVA hard shell material and scratch resistant rubber material, which is more strong and can effectively prevent it from wear and tear. 2PP Board: Supported by PP board on the both sides of the bag, this bag has a stronger structure that it can prevent internal items from crushing. 31.5L Capacity: This bag has a 1.5L capacity that it is enough for your storage needs. Besides, there is classification storage design for you to keep different items, like mini pumps, wallets, bike accessories, etc. 4Reflective Design: This bag has a reflective rock on the back and reflective tape on both sides to make night riding safer. 5Do Not Interfere with Riding: After the bag is installed on the bike, it will not touch your legs and will not interfere you while riding the bike.SpecificationItem Type: Bike Saddle BagMaterial: EVA, RubberSize: Approx. 20 x 10 x 9cm / 7.9 x 3.9 x 3.5inPackage List1 xBike Saddle Bag2 xFixture3 x Screw3 x Nut