UltraTech 1334 PVC Fabric Flexible Ultra-Utility Tray, 48" Length x 48" Width x 4-3/4" Height, Yellow Simply unroll, then unfold - no straps, supports or sidewalls to set up one piece unit - no components or pieces to lose High-visibility, 18 ounces PVC fabric provides rugged durability and excellent chemical compatibility Folds/rolls into small size Utility tie provides easy and convenient storage and portability