Elastic Retractable Helmet Strap: Bicycle tensioner stretch length range, suitable for items of different sizes. You can stretch it to a suitable length to securely hold helmets, luggage and other objects. Application: Store luggage and helmet, secure goods and loads in cars, trucks, motorcycles, bicycles, etc., or fix tents when camping. outdoor. It is suitable for mountain bikes, motorcycles, daily home, camping and outdoor activities. With hook: 3 pieces luggage strap with double hook to meet your needs in different occasions. The grip is improved, the design of the bicycle tensioner can disperse the load capacity, very firm! Material:The bicycle luggage strap is made of premium nylon:high elasticity and stretchability to stretch it to the proper length to firmly hold your items.Easy to carry:best choice for long distance . Easy to store and transport. The elastic luggage strap provides enough length and strength to secure bulky luggage.