SMJ resistance band EX001 19mm 25-40kg gray SMJ Sport resistance band will enable you to gain training effects. The product is light and practical, thanks to it you will tone your body, develop strength, power and speed. It is a good alternative for the joints, helping provide relief to them. Made from high quality material. Technical data:· material: 100% latex· opór: 25-40 kg· thickness: 4.5 mm· width: 19 mm· ; circumference: 208 cm