Key benefits Prevents cargo from moving during travel, providing solid and reliable support for every trip. Durable for daily wear and tear, helping keep your cargo secure and your vehicle organized. Easy to install and use, with lightweight, compact design for simple storage and carrying. Product details Ball diameter: approx 2.4 cm String length: approx 45.5 cm elastic design delivers a secure grip, reduces shaking, and prevents shifting during transport Compatible with car rear parcel racks and trunk parcel rack trays What it does The elastic strap grips cargo firmly to minimize movement, helping to keep luggage, groceries, and gear in place during transit. How to use Easy to install and use on car rear parcel racks or trunk parcel rack trays; lightweight and compact for everyday carry. Use scenarios Road trips and family outings: secure suitcases, duffel bags, or sports gear in the trunk to prevent movement. Daily commutes: keep groceries or smaller items from shifting during stopandgo driving. Vehicle organization: use on trunk shelves to hold items in place and reduce clutter and noise.