1. Package contents: One roll each of hook-and-loop fasteners (hook side and loop side), with dimensions of 5 meters in length and 20 millimeters in width. It can be cut to the size you need. 2. Operating temperature range: It can be used at temperatures ranging from -20 to 80 degrees Celsius. It can also be used for a short time at temperatures ranging from -38 to 110 degrees Celsius. 3. High - quality materials: This industrial hook-and-loop fastener is made of durable nylon (polyamide) with a strong special adhesive (rubber) coated on the back, which is resistant to sunlight and rain. The hook and loop sides are made of durable materials to ensure maximum grip. It is resistant to decomposition, corrosion, and abrasion, and will not wear out even after more than 10,000 uses. 4. Effect: It has long - term strong adhesion. After peeling off the hook-and-loop fastener, no residue will be left on the surface. It can be used under high - intensity conditions in high - temperature, low - temperature, humid, and dry environments without worrying about the fastener coming off. 5. Wide applications: It has a wide range of uses, such as for assembling and fixing items, window screens (the loop side system can be firmly attached to window screens or mesh through strong glue or staples), clothing and textiles, handicrafts, decoration, and DIY projects. The adhesive, hook side, and loop side are all moisture - proof and weather - resistant, making it very suitable for both indoor and outdoor use. 6. After - sales service: If you are not satisfied with the hook-and-loop fastener you purchased, you can return it to us unconditionally.