Reclosable Fastener Shapes Hook-and-Loop Hook and Loop Shape Square Length 1 in Width 1 in Color White Flame Retardant No Backing Material Polypropylene Hook/Polyester Loop Shear Strength 18 psi Adhesive Type Acrylic Adhesive Characteristics Hook(SJ3506) - Polypropylene Loop(SJ3507) - Polyester Includes 100 Sets (100 Hook Pieces and 100 Loop Pieces) Package Quantity 100