Brand Name: None Origin: Mainland China Model Number: OUT9 Green: 600mm*50mm*0.35mm(5LB) Blue: 600mm*50mm*0.5mm(10LB) Yellow: 600mm*50mm*0.7mm(15LB) Red: 600mm*50mm*0.9mm(20LB) Black: 600mm*50mm*1.1mm(25LB) Material: latex Applicable scene: Yoga,fitness equipment,running,dance Function: Comprehensive Fitness Exercis