... times of alternately cold or hot use after pre-cooling or pre-heating treatments.4.size,weight,materialIndications: ... two hours.Hot compress:soak the bag in a container full of water and put into a microwave oven ... ,· facial masks,· cool scarf/belts,· bottle coolers,· ice cooling mat· cool pet mat/clothes,and other products. All ... 3.Our Cleaning Workshop: 3.Our Beautiful Sampleroom: cooling soft gel pack