Sports Eye Sight Train Three Beads Brock String Vision Convergence Insufficiency Training Tool

Features: Used to fix convergence deficiencies and athletic training. Develop good binocular functionality; in other words, have both eyes work well together. This activity teaches convergence - the ability to point your eyes more accurately at a target.

Specification: Material: Metal + Nylon + Plastic Size: 11.7*8.7cm,Rope length 204 cm Weight: 85 grams Color: d

Package Includes: 1* polydisperse ball

Notes: Please allow minor errors due to manual measurement. The colors may be a little difference for the different monitor display.

About shping
Shping and Packaging All it will be double checked and well packed before sending.It will be dispatched within 2 business days after buyers pay for the order. It usually takes about 14 to 18 working days for delivering the package to the destination(for e areas,it may take a little longer). 

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