Product Description Odorless Lasts up to 8 hours Non-Toxic Natural Lightweight and comfortable Adhesive (select models) Air Activated Muddy Disposable Warmers at Pyramyd Air Browse all Pyramyd Air deals $34.99 In Stock at Pyramyd Air Price checked 6 days ago Buy Now at Pyramyd Air Secure checkout Easy returns or compare prices Amazon eBay Product Details Brand Muddy Muddy