Flip Belt Running Belt Type: Running Packs Features: Machine-washable high tech Spandex-Lycra.. Internal pocket system with 4 pockets.. Materials: 92% Polyester 8% Spandex. Doesn't move, jiggle, bounce or chafe.. Dimensions: 17.5 L x5 W x0.3 H; Weight: 0.25 lbs. Size: Large Color: Yellow Color Mapping: Yellow Gender: Unisex Age: Adult