Brand: Qunature Product: Saddle Bag Stabilizer Material: PP board Color: Black Weight: 284g (including accessories) Accessories Included: Long strap*1, Hook-and-loop strap*1, Spacers*2 High Adaptability Adjustable drawstrings on both sides and at the end allow for flexible opening width, fitting bike bags of various sizes (recommended bag: <12L volume, <54cm length). Lightweight Only ≈284g (including accessories) – minimal weight for zero burden, reduces bike weight; effortless transport while riding. Stable Structure Three-point mounting + multidirectional force distribution, sits securely on the bike frame; no slipping even on bumpy roads. Waterproof & Easy to Clean Material: 3mm PP board with basketball-style texture, dirt/rain can be wiped off with a single pass; keeps the exterior clean. Quick-Release System One-click opening – no complicated maneuvers, enables quick access to luggage while riding. Universal Bike Compatibility Fits road bikes & mountain bikes (minimum seatpost extension: ≥12cm), easy switching between bike types.