Made with foam chips that have variable density to create a massaging effect. The channels help direct the fluid away from the affected limb and toward healthy lymphatics. Can be used to improve circulation, reduce swelling and break up fibrosis. The liners can be worn under bandages, compression garments, splints and limb braces. Wrist-Axilla length: 40-43cm for Short/Regular, 43-46cm for Long/X-Long.