AliMed® AliGel™ Contoured Armboard Pad curves around the patient's arm with pressure-relieving elastomeric polymer material. Holds the arm in place and protects ulnar and radial nerves and bony elbows from excess pressure. Evenly distributes body weight and won't bottom out. Cleans easily with disinfectant. Not made with natural rubber latex. Available in three sizes.Small: 5-1/2"W x 16"L x 2"H, 5 lbs. • Medium: 5-3/4"W x 20"L x 2-1/4"H, 6.4 lbs. • Large: 5-3/4"W x 24"L x 2-1/4"H, 8 lbs.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.