Made with rice or flax, depending on your preference, these hot and cold packs are designed to be heated or cooled to use on the body and face. Suitable for all ages. Soft and soothing, these packs are ideal for icing a bad knee or warming a sore back, and so much more. Microwaveable. Available in a medium size, approximately 6″ x 10″. Larger or smaller sizes available upon request (pricing varies). Waterproof covers for packs also available upon request at additional expense. One pack.