AliMed® AliGel™ Horseshoe Donut protects the face in lateral to offload ocular pressure. Opening allows clear air passage and aids the anesthesiologist. Also use in prone with patient's head turned to side. Not made with natural rubber latex. Available in Adult and Pediatric sizes.Adult Sizes: Standard/Regular: 8"W x 1-3/4"H • 2.6 lbs. High: 8"W x 3"H • 2.6 lbs. Pediatric Sizes: Neonatal: 3-3/4"W x 3/4"H • 0.25 lb. Infant (Pedi/Neonate): 4-1/2"W x 1"H • 0.85 lb. Pediatric: 5-1/2"W x 1-3/4"H • 0.85 lb.AliMed® AliGel™ Positioners remain an industry standard due to the pressure-relieving properties of a unique gel formula that mimics fatty tissue and moves with the patient to reduce shear and help prevent pressure injuries. Additionally, AliGel absorbs shock, stretches, and retains its shape better than less dense gel positioners. AliGel is made of 100% dry viscoelastic polymers and includes an 18-month warranty against manufacturing defects.