Sage Products Prevalon Heel Protector, One Size Fits Most, 1 Each Arm Sling Shoulder Immobilizer Mesh webbing on the elbow Barriers Mesh webbing on the elbow joint ensures that the Brace Yourself For Action elbow wrap not only is breathable but flexible as well * Some elbow wraps tend to fling and flail around your arm when trying to apply them but not this elbow wrap Includes (8) standard hot packs * Size: 16 L x 18 W x 18 H * All Whitehall Thermalators feature thermostatically controlled water temperature seamless coved bottom for ease of cleaning lighted front mounted on off switch * Concealed heating element and snap off thermal protector to prevent overheating and hand burns * The Prevalon® pressure relieving heel protector works with sequential compression devices (available separately) protecting the nerves and maintaining a neutral position