White PVC foam without PSA, easy to stick on the mirros. Taking off without remains on the mirror. Glass shipping pads, spacer pads, distance pads, glass cushion pads, cling pads etc.18 x 18 x 4.0mm, 10 x 10x4.0mm, 40x40x4.0mm, consist of 3.0mm high grade cork, and 1.0-2.0mm PVC foam. Glass shipping pads