1.Self adhesive Velcro: No snaps, no sewing, no tools needed,simply peel and stick. 2.Pass ROHS&SGS. 3.Strong adhesive ... backing Product name: Self adhesive Velcro,Stick back velcro,Industrial adhesive velcro...Features and usage:1 ... or mosquitoes.4) Self adhesive window screens Velcro: No snaps, no sewing, no tools needed, simply peel and stick. Great for areas ...