SMAI’s Knitted Resistance Bands are the perfect alternative to Rubber Resistance Bands. With latex rubber woven into the elasticized cotton, the band is more durable, comfortable, and washable. The purple L is a medium resistance knitted band with 50lb of resistance. Specifications: Knitted rubber: for a non slip hold Machine washable: knitted poly-cotton easy care Reinforced seam: for unbreakable stretch Versatile 100cm length: suitable for full body resistance and assistance workouts Medium re