The Spand-Ice Maternity Relief Wrap relieves back aches and supports your growing baby bump throughout your pregnancy. It offers hot and cold therapy for your back and provides adjustable compression & belly support. The insulated neoprene fabric wrap is comfortable and holds 2 reusable Thermal Therapy gel packs in internal pockets at mid back, or low back (or both). Provides heat or ice therapy for up to 3 hours. Made in the USA. Choose from S-M or L-XL.