Thermatek Heated Lumbar Travel Pillow With Super Soft, Velvety Plush and Micro-beads Shape To You For Back Support-Includes 2 Heat Packs For 16 Hours of Heat Supersoft, velvety plush and micro beads shape to you to support your back, or rest your head and support your neck Includes 2 heat packs - 16 hours of heat inside Easy to use - air-activated, instant warmth. Enjoy long-lasting, soothing comfort Heat packs are safe, odorless, disposable after use, and comply with airline security screening restrictions Ideal for use in the home or on the go