IMAK RSI® Knee Strap, One Size Fits Most, 1 Each Standard 4 Wheel Rollators Attaches securely to back posts Urinals Attaches securely to back posts of wheelchair or geri chair with quick release ties * Provides superior clinical effectiveness in the management of venous leg ulcers with a simple 2 part system * The gradient compression is provided by the combination of the compression liner and therapeutic stocking increasing venous return and helping to manage edema * Continued use provides clinically recommended level of compression 40 mmHg to help prevent recurrence * Zipper and pull in stocking assists in donning * Provides nominal compression of 40 mmHg when the medical stocking with the zipper is worn over the compression liner * Promotes normal lifestyle regular clothing bathing and footwear * A cost effective choice Jobst UlcerCare stockings can minimize the nursing care time per patient per visit * Easy convenient to use these stockings are designed for maximum patient compliance * Ready to wear therapeutic gradient compression system * Latex free * Ankle circumference: 10´ 12 * Calf circumference: 18 21¨ * comfort and stability The Knee Strap also features a dual locking system to offer flexible tension and a perfect fit