made of fabric,inside is pvc coat. can be made in different colors and sizes. the pattern can be printed according to the clie Fabric ice bag.When use it,put cold water or ice into it,to get the temperature down. Have different sizes,such as 5inch,6inch,7inch,8inch,9inch,10inch,11inch,12inch. can be made in different colors,like the picture attached.any patterns can be printed on the fabric ...