Sunnyhill Safety Reflective Armband Foot Pants Straps Band Snap Ankle Belt Article Fluorescence for Sport Outdoor Bike Spread Size: (40 x 3)cm/(15.74 x 1.18)inch(L x W) Material: Interlayer: High elastic silicon steel sheet/Outer:Reflective lattice Specially designed to tie up the pants, prevent the bottom of the trousers from sticking in the chain or cranking mechanism, and from smudging by oil and dirt Bundle it on the bicycle frame when not use, convenient to carry