Hot Headz International LLC. Cool Downz Cooling Wrist Wrap, One Size INNOVATIVE COOLING TECHNOLOGY: Beat the heat with these water-activated wrist wraps COOL RELIEF: Special crystals inside expand when activated by cold water to help you stay comfortable on the hottest of days BEAT THE HEAT: Simply wrap one around each wrist at your pulse points while gardening, walking, working, or playing in the sun and help yourself stay cooler, longer SPECIFICATIONS: One Size - Sold as a PAIR (2 pieces) BUILT TO LAST: Velcro closure for custom fit, lightweight and durable, comfortable