Both hook and loop strips are made with SUPER tack adhesive glue. The adhesive on the back is best used at moderate temperature.Adhesive reaches maximum strength after 24 hours.The removable adhesive glue is safe for hanging and mounting, and leave no residue left behind. The long-lasting glue is thin and transparent, Suitable for smooth surfaces such as Wall,paper, plastic, glass, leather, hardware, etc.Work more effectively, because they are so easy to peel off from the roll. Water resistant adhesive glue is good for outdoor mounting, and no worries moisture breaking in.Industrial Strength all mounting fastener. perfect for hanging educational items, posters, charts, signs, picture frame, small tools, remote control and more.Hook and loop fastener type: Self-adhesive stripsColour: white+greyMaterial: polyester+nylonPackage Contents:18 * Hook and Loop Tape FastenerOnly the above package content, other products are not included.Note: Light shooting and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.