: hook and loop dots are made of polyester and nylon material and have a strong adhesion.The hook and loop coins have a strong pressure sensitive adhesive coating and are very robust.[PROTECTING FLOOR and WALL]: Self Adhesive dots very useful where you don't want to use nails or glue. It's deal replacement for screws, bolts or epoxy for applications.EASY TO USEE AND REMOVE]: Simply peel away the release paper and press down the hook and loop fastener in place. After tear them off without damaging the surface and leaving marks.WIDELY USED - suitable for lightweight items such as curtains, photo frames, rugs, sofas, car mats, shoes, hats, remote controls, pen boxes, various gadgets and toddlers to learn the alphabet.[HEAVY DUTY SELF ADHESIVE STICKY]: 500 pairs of self adhesive sticky on coins (500 hook pads and 500 loop pads), diameter around 20 mm Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.