Cute Design Cool pack 1>No Extra Power,Cooling down 2>Automatic cooling 3>Fashionable Ice Pad 4>Easy to carry ... box , 30 pieces in a cotton box. Circumstance of Cool pack usingGifts for exhibition promotion, commercial souvenir, opening ceremony, anniversary, ... , awards, employee benefits, appreciation etc. Possible Application of Cool pack:Set pad in automobile, chair cushion, ice mattress, bed, ...