Durable and Rainproof Material -- It is made of high duty tear-resistant EVA material and water resistant zipper that is durable and sturdy, which is fully rainproof and easy to clean

EASY TO INSTALL: Only need two steps to install successfully, 2 install straps simplify mount system, one strap around two side is for fastening the bike seat, which can also be adjustable, and the strap on the rear is use for fix the bike tube. More importantly, it will not touch you legs anymore while cycling

Practical Design for Aerodynamic Shape -- Well designed shape to reduce air resistance to the minimum, for your high speed cycling experience

LARGE CAPACITY: this bike under seat bag can meet your daily need and prefect for mini pump, wallet , folding lock small cycling accessories, tire repair kit or multi-tools etc

Taillight hook compact space on the seat post ( Tips:Taillight doesn’t include in the package ) , Let’s riding safer at night

This cycling storage bag is also a great gift (Thanksgiving ,Christmas or Birthday gift) for your lover, families or friends. Pls trust us and just buy itProduct Description:Material:EVASize：16*10*9cm(6.3*3.9*3.5inch) Color：blackWeight: About 130g Suit for: Mountain bike, Road bike, Folding bikeInstallation Steps：1. Fixed with Velcro below2. Fixed with Velcro above on both sides3. Check if it is firm，the installation is completeDurable and Rainproof Material -- It is made of high duty tear-resistant EVA material and water resistant zipper that is durable and sturdy, which is fully rainproof and easy to clean.EASY TO INSTALL: Only need two steps to install successfully, 2 install straps simplify mount system, one strap around two side is for fastening the bike seat, which can also be adjustable, and the strap on the rear is use for fix the bike tube. More importantly, it will not touch you legs anymore while cyclingPractical Design for Aerodynamic Shape -- Well designed shape to reduce air resistance to the minimum, for your high speed cycling experience.LARGE CAPACITY: this bike under seat bag can meet your daily need and prefect for mini pump, wallet , folding lock small cycling accessories, tire repair kit or multi-tools etcTaillight hook compact space on the seat post ( Tips:Taillight doesn’t include in the package ) , Let’s riding safer at night