Ally's Serenity wraps are perfect for your aching neck, back, elbows, knees and stomach cramps. Lavender and chamomile herbs, known for their relaxant qualities have been added, or choose unscented for those sensitive to certain aromas. They can be used for either hot or cold therapy. Created with 4 flax compartments, it shapes to your body like a glove. The bags are 22" long and 6.5" wide. The removable covers are 24" long and 6.5 " long.