Our Kumfi Kozi Sacks help relieve muscle tension with heat and help reduce swelling with cold. Our Kozi Sacks are made with fleece for maximum comfort when placed on your neck, shoulder, back or wherever needed. Kumfi Kozi products can also be used for menstrual cramps, stomach aches, sciatica pain, muscle pain and more…. or just snuggle with a warm Kozi Sack. Dimensions 16” x 6”