Opaque, smooth, acid-free cotton tape is great for matting and attaching flaps for mechanicals Also good for for holding artwork to drawing boards and masking transparencies or photographs. Peels off easily without leaving a residue. Easy to write on. Staedtler Art & Drafting Supplies part of a large selection of office supplies. Staedtler(R) Artist Tape, 3/4in. x 360in, White is one of many Drafting Tools & Kits available through Office Depot. Made by Staedtler.