... use together, The back of them is adhesive, hook and loop must use together.1 Kind of glue ... can use longer and longer time. 3 Our hook&loop have pass the SVHC-REACH Certification Report of ... European Standard. 4 The using for hook&loop as follows: It can use indoor or ... hang, fix, thing. Such as use on: Raincoat, clothes, handbag, window curtains, outdoor tent, mosquito net, applicance ...