iCool Scarf Starter Pack comes with 20 cooling scarfs + display case. Comes in 4S, 4M, 4L, 4XL, 4(2XL) Choose your combination. Blue/Pink Basic, Blue/Pink Dotted, or Mixed of Each. Keep your dog cool all summer long. non-toxic polymer inflates when water is added to the scarf. Put around the dog's neck to relieve the heat. No refrigeration is needed. Just add more water for continuous use. Each scarf is individually packed with clear zip lock closure bag.