Vinyl Wristbands - 3/4 Inch Medium - Locking Single Use Snap Prevents Transfer - Waterproof - Day Glow Orange Color - 500 Units per Box Width 3/4" Made of soft vinyl material for extra comfort. Waterproof, strong, and more durable than Tyvek wristbands. One size fits all. Locking, single-use snap prevents transfer. Vibrant colors are highly visible.