What is the Elite Snug Series Back Support? This high quality Snug back support has been specifically designed to help stabilise the lumbar spine & correct posture as well as helping to relieve back pain. The Snug back support features a removable moulded injection pad that provides a massaging effect to help improve blood circulation & reduce muscular tension. When can I use the Elite Snug Series Back Support? Use the Snug back support on a daily basis to help relieve pain in the lumbar spine. The back support can also be used during manual work activities & sports. How does the Elite Snug Series Back Support work? The Snug back support features anatomically contoured knitted, breathable four way stretch fabric to provide equal compression & to ensure of a perfect & comfortable fit. The four soft stays provide support while the removable moulded injection pad creates a massaging effect to help improve blood circulation & to reduce muscular tension & pain in the back. Composition:: 37% Nylon, 10% TPR, 20% rubber, 10% polyester, 10% Spandex, 8% steel stays. H&-wash only. What size do I need? Take measurement from the circumference of your waist. If you are between sizes, please choose the larger size. Small: 55.9-71.1 cm (22-28 inches) Medium: 68.6-83.8 cm (27-33 inches) Large: 81.3-96.5 cm (32-38 inches) X-Large: 94-109.2 cm (37-43 inches) XX-Large: 106.7-121.9 cm (42-48 inches)