Medline Deluxe Instant Hot Packs offers convenience with everything you need in one set. Medline Deluxe Instant Hot Packs are designed to meet your expectations and needs, without being expensive or overly priced. Features activation method of fold direct to skin: fold to activate design: holder: length inches: 8, enhancing overall functionality. Features in package type of nonretail width inches: 6, enhancing overall functionality.