Gelocast® Unna Boot with Calamine, 4 Inch x 10 Yard, 1 Case of 12 Invalid Rings It comes in a sterile 01804 It comes in a sterile tray that allows for an aseptic delivery Carbon steel frame with silver vein finish for an attractive maintainable finish * Composite mag style wheels are lightweight and maintenance free * 8 front casters * Padded armrests provide added patient comfort * Wheels set back on frame prevent tipping * Precision sealed wheel bearings in front and rear ensure long lasting performance and reliability * Rear anti tippers standard * Headrest extension with cushioned head immobilizer standard * Comes standard with swing away elevating legrests * Plastic footplates * Comes with push to lock wheel locks * Limited lifetime warranty the original Unna's boot The non raveling gauze is uniformly coated so it is easy to handle and mold to the limb providing a semi rigid cast