Material and construction: The trunk storage bag tray strap is made of nylon. It has good elasticity and flexibility, and is not easily deformed or broken. It is sturdy and easy to use. Performance and durability: The luggage rack fixing rope is wearresistant and provides thermal stability and physical hardness. It can easily cope with various weather and environments and offers a long service life. Installation: The rack fixing straps are easy to install. Just measure the required length, insert the rack connection strap into the trunk floor, insert the hanging ball and buckle, and you are done. Benefits and reliability: This luggage wrapping rope is reliable, ensuring stability and strength, and can easily withstand various weather and environmental conditions, delivering stable performance and reliability. Compatibility and use design: Designed to work with trunk storage bag trays and luggage racks. It uses the rack connection strap, hanging ball, and buckle to secure items in the trunk floor area. Use scenarios: 1) In a car trunk, secure suitcases, bags, or boxes to prevent shifting during transit. 2) With a trunk organizer, hold groceries, sports gear, or tools in place to avoid movement. 3) On road trips, fasten camping gear or outdoor equipment in the trunk for safe transport.