Key Features Lavender Essential Gel Knee Warmer Features therapeutic gel beads Fragranced with lavender, mandarin & geranium Can be used hot or cold Includes soft fabric on reverse Great for relieving trnsion! Lavender Infused Knee Warmer For overworked sore muscles, this soothing knee wrap is great for relieving inflammation and tension! It features therapeutic gel beads which are fragranced with lavender, mandarin and geranium to promote relaxation. It includes soft fabric on the reverse and can be used hot or cold. A therapeutic treat!