The single-use, waterproof wristbands are great for parties, events, field trips or tagging inventory and supplies. These C-Line security wristbands, made with DuPont Tyvek, are an economical solution to visitor and crowd control. To use, peel-off adhesive liner, wrap around wrist and adhere to other side of wristband. Details:Available in assorted colors0.75" x 10"Bands are sequentially numbered (choice of starting number not available)Pack of 100