ProCare® Elbow Support, Medium, 1 Each Built Up Handles Black * Superior lumbar support Imaging Black * Superior lumbar support provides comfort wherever you sit * lightweight and portable * Enhances overall posture * Includes soothing massage * Use together with any Obusforme Backrest * Use it at home in the car or at the office * Item measures 16´ L x 10Û W x 4´ H * Uses 2 AA batteries (not included) The J Brace Patellar Stabilizer is a 1 8th thick 13 long sleeve with two lateral and two medial spiral steel stays * It also has a tubular rubber buttress to align the patella * Laterally attached straps pull medially to displace force to the patella * The J Brace allows compete range of motion while providing stability Medium fits 10 to 12 inch forearm circumference 8 inch long elbow support combines soothing warmth of neoprene elbow sleeve with a counterforce strap that restricts full extension of muscles and tendons