BSEEN LED Slap Bracelets/Armbands - Set of 2 - High Visibility Night Time Safety High Visibility Safety LED Wristband / Armband. Package of 2 Replaceable Battery (included) Fits Men, Women & Kids. Resists Water, Sweat, and Odors Blink and Glow Modes. Easy push button activation Updated design. Includes a new pull tab to activate the battery. Unlike previous (and competitors models) no more dead batteries upon arrival.