Ease your aches and pains with hot or cold support – pop in the microwave or freezer! This back wrap is specially designed to help relieve arthritis pain, sore muscles, stress, and more. Wear this economical, effective, and reusable support wrap under or over clothing. Regular fits waist sizes 28" to 48", and X-Large fits 50" to 70". Polyester with buckwheat fill. Wipe clean.