BV Large Bike Pannier Set, Bicycle Panniers with Quick-Release System, 34.8 L, 3M Reflective Trim, Mesh Pockets, Buckle-Strap, Drawstring Enclosure, Carrying Handle Top-loading with a drawstring enclosure - Keep oversized or overflowing items secure, while the elasticized top panel stretches over and buckles down to protect bag contents. Safe night riding - 3M Scotchlite reflective banding on the sides and light hangers ensure night time visibility. Rigid back panels/ Non-scratch hook - Rigid back panel that maintains bag structure for easy access to contents on and off the bike. Elasticized mesh pockets for water bottles Compatible with most bike carriers