HYPERKEWL Evaporative Cooling Deluxe Neck Band - 2 Piece Pack - 6520RB 100% cotton 2 Deluxe Neck Bands in package. Use over and over again Hook & Loop closure adjusts for a perfect fit. 100% cotton outer with HyperKewl fabric inner (no cooling beads) Just soak in water for 1-3 minutes to activate cooling 3 inches wide by 40 inches long. Extra wide for more cooling.