Cosmos 3 PCS of Reflective Snap Pop Band Bracelets Pant Cuff Strap for Cycling / Bike / Running / Walking Package Included 3 PCS Red bands Highly reflective and adjustable Automatically coils around arm, leg, bike frame; rolls into ring for storage Pops on easily, no Velcro, one size fits most Size: 15.75 " x 1.25 " (L x W)