C-Line DuPont Tyvek Security Wristbands, Red, 100-Pack (89104) Economical solution to visitor and crowd control at parties, events, field trips or for tagging inventory and supplies Single-use, waterproof Tyvek wristbands To use, peel-off adhesive liner, wrap around wrist and adhere to other side of wristband Pack of 100 sequentially numbered 3/4 x 10 inch wristbands Red