1 Set Children Training Diameter String Vision Convergence Insufficiency Tool Eye Care Tools New

Features: 1. Stable size, do not take up too much space at home when not in use. 2. The assistant is training your child's eyes every day to maintain and train all muscles on the eyeballs. 3. Made of high -quality plastic and nylon materials. These three color balls are portable. 4. This training rope is equipped with a rope and three tightly fitted beads, which is very suitable for training eyes in a specific location of exercise. 5. The use of training ropes for convergence training can be effective, as well as strength and motion performance.  Specification: 100% brand new quality. Item Name:Eyesight Training Balls Rope Material:Plastic Color: As the picture shows Size:As the picture show(1inch = 2.54cm) Quantity:1 X Package includes: 1 X Eyesight Training Balls Rope Note: 1. Please note that the photo does not show actual size, please refer to Description for size details. 2. Please allow differences due to manual measurement, thanks. 3. Due to the difference between different monitors, the image may not reflect the actual color of the item. The merchant warrants that their products comply with all applicable laws, and are offered only if they comply with Joom's policies and EU Product Safety and Compliance laws.