The set includes an Oatmeal Linen Slipover with flaxseed filled muslin cotton insert. The perfect sized heating and cooling pad. Delivers comfort that can be heated or frozen to help with sore muscles or cramps and helps relieve stress or discomfort. Filled with flaxseed, for the ultimate comfort level. A comfortable therapeutic experience lay across your abdomen, tuck behind your calves or lower back. Place secretly under your blanket for those cold winter days or cool and rest under your neck for those hot summer nights.