Small Student Desktop Barrier. Foldable. Stainless steel hinges. Vinyl base with 3M VHB double sided tape. 4 mm thick Museum Grade Polycarbonate. Rounded edges to avoid injury. 18" high above the desk. Desktop barrier comes fully assembled ready to use. Will fit most classroom desks. 3 sided protection that will keep students and faculty safe. Low maintenance, easy to clean and store. UL 94 Flammability Rated. Dimensions: 22 1/2" x 13" x 18"