This is a single-sided adhesive board made by sandwiching aluminum foil and paper between both sides of styrene paper. It minimizes warping and blistering, making it easy to apply, and is also highly compatible with output paper, synthetic paper, and photographs. It is used for posters, POP displays, photos, welcome boards, and more. Size: 225 x 300 x 3mm Individual Weight: 220g Material: Single-sided adhesive foam board, high-quality paper Specifications: 5 sheets per bag Made in Japan