Size:7.5*4*1.3cm, each one is 14g. Built with 100% 1st-grade silicon, BPA-free. This hand stretcher is washable and last longer. Our finger resistance bands can improve finger strength for athletes (rock climbing enthusiasts, fitness, tennis, baseball, boxing, tennis, golf and shooting) and musicians. You can use it while walking, traveling (car, airplane, bus), in office, school, watching TV or any place you want to exercise. It is perfect gripper for recovery from broken. Welcome your logos. 2.95" L x 1.57" W x 1.3mm Thick