Usage Tips:The hooks and loops are made with intricate detail and strength to ensure maximum grip but leave no residue. Resistant to breakdown, rot, abrasion and wear even after more than 2,000 cases of detachment attached, as done Can be cut to size as desired. and can be attached to any clean surface for all types of frames including plastic, porcelain, wood and other dry or smooth surfaces, glass, all types of metal and alloy surfaces, surfaces painted, plastic products. Self-adhesive tapes: 8m loop tape and 8m hook tape, dimensions are: 8m long x 20mm wide, durable nylon industrial Velcro strip, coated on the back with a special strong adhesive. The adhesive reaches its maximum strength after 24 hours. Please wait 24 hours before pressing the hook-and-loop strips together to attach the two items. Please note that the self-adhesive Velcro strip cannot be used on leather, PU, faux leather, fabric, brick wall , brick, cement, heavy fabric, plush fabric, brick wall, concrete wall, muddy wall, oily polymer surface, soft vinyl surface or underwater.