Light Trap Material Flocking is same material that major camera makersadopt for the high performance of shutting inner reflection.Double adhesive backing tape makes it very easy to stick after cutting. This product performs highly optical absorption and eliminates reflection because of the conformation with elongated cells.This product doesn’t become soft or shrink by exposing to silicon oil, grease or water.Fringe and surface keep integrity and do not unravel.No odor unlike other chemical products. Also repels moths, mold-free, and doesn’t generate gas.This product is extremely light; 100g/Square meter. Material: Special polyurethane Adhesive backing: double tapeThickness: 0.4 mm / 0.01 in.Size: 220 x 250 mm / 8.6 x 9.8 in. USEEliminates inner reflection in cameras, such as mirror boxesEliminates inner reflection in lens mirror barrelEliminates inner reflection in copierEliminates inner reflection and light shielding for other items Do not use for purpose other than eliminating inner reflection and light shielding.Avoid storing in direct sunlight.