The Ernie Ball Stretch strap is part of the Comfort Collection Series which adds a higher comfort level than most standard straps currently available. Great for redistributing instrument weight and particularly suited for those with existing ailments, aches, or chronic pain. The strap is made from an ultra-durable, lightweight nylon polyester material offered in an 5cm width, flexible, and cushiony, allowing for several hours of playing enjoyment without discomfort. Adjustable length 100-180 cm