Cover for Mini Max Cushion 18 x 16 Jobst Opaque 20 30 mmHg Knee 5kg (based on size 1R99C) Exercise Balls 5kg (based on size 1R99C) Varies by size Maternity * Classic Black * 20 30 mmHg * Medium * Ankle Circimference 8 3 8 9 7 8 Thigh Circumference 18 1 8 27 1 2 * Hip Circumference 34 56 * Beautifully sheer hosiery Durable long lasting * Sandalfoot styling * Gradient compression for relief and prevention of venous disease * Therapeutically effective sheer lightweight and fashionable * Shipping Carton Size: 12 L x 10 W x 6 H Two way stretch top enables the cushion cells to conform to the individual's body shape without diminishing product effectiveness or therapeutic value * The cover has a stretch Lycra© top material that is a durable heavy weight fabric with a soft feel * The side material is composed of a 3 layered knit polyester spacer fabric which provides superior air circulation that ventilates and cools the user * The fluid proof solid non skid base material offers a durable easy to clean surface * The cover has the added feature of Velcro© straps placed on the bottom to allow the user to attach the cushion to their chair * Velcro© is a registered trademark of Velcro Industries BV * 18 x16 * Sales are FINAL on all cushion covers * Warranty: 6 Month Limited Warranty