SMJ resistance band EX001 45 mm 23-57 kg green SMJ Sport resistance band will enable you to gain training effects. The product is light and practical, with it you will firm your body, develop strength, power and speed. It is a good alternative for the joints, helping provide them relief. It has been done from high quality material. Technical data:· material: 100% latex· weight: 23-57 kg· thickness: 4.5 mm· width : 45 mm· circumód: 208 cm