This cooling Bandana/scarf is made of polyester with Non-toxic and non-flammable cooling crystals inside. Immerse or run under tap water for several minute when you use it, wrap around neck, head or wrist to keep cool on hot days. Best used as promotional item, at summer concerts or tailgating picnic at a sports event a football game, promoting your event, brand, a signup or pass out item. Setup charge is $50 for 1 color 1 location silkscreen logo.