AliMed® AliLite™ Head Donut protects the head, neck, and ears. Offloads occipital protrusion to protect the patient from pressure injuries and possible blindness. Recommended for supine and lithotomy. Also use in prone to protect knees. Available in Adult and Pediatric sizes, sold individually or 4 per case.Adult: 7-3/4"W x 2-1/4"H • 1.45 lbs. • Pediatric: 5-1/2"W x 1-3/4"H • 0.65 lb.AliMed® AliLite™ Gel Positioners are up to 50% lighter than comparable gel-only products, combining all the pressure-relieving properties of gel with a lightweight inner foam core for easier handling. AliLite is impervious to fluids, naturally bacteriostatic, and features a stable, nonskid base. Precountoured to reduce pressure by redistributing weight over a larger surface area. AliLite gel is made of dry viscoelastic polymers and includes a 24-month warranty against manufacturing defects.