Quad Cushion is a four way support cushion that maintains the spine in its correct alignment whether lying or sitting.

Under anklesUnder knees For lower back Useful back support
Provides superb comfort and support for the lower back, under knees, under achilles (leaves heels 'free'), and useful as a lower back support for the upright position.
33 cm across x 57 cm wide x 9 cm high.
Inner: All new quality memory foam sealed inside the cover.
Cover: Polyurethane-coated bacteria-resistant white nylon. Hospital-approved waterproof cover.
Over slip: Cotton.
Inner: Do not wash. Dab clean with a 5% mild detergent solution.
Dry flat in warm location avoiding direct sunlight. Avoid immersing in water or dry cleaning.
If very wet it may take days to dry completely. Do not machine wash. Do not tumble dry.
Cover: Wipe clean or warm hand wash in a 5% mild detergent solution. Do not machine wash. Do not tumble dry.
Over slip: Normal wash. Normal dry.
Any discoloration of foam through exposure to natural light will not affect performance or foam longevity.