Posture improvement / Stoop improvement
Your child sitting posture is the basis of growth.
Guppos is a posture care product that improves the posture of such children when writing.
Especially recommended for children in the 1st and 2nd grades who have just started reading and writing. By improving your child writing posture, you can improve your concentration of learning, eliminate stiff shoulders, prevent/eliminate stoops, and prevent vision loss.
Guideline for choosing a size
Please measure the width of your palm and choose the size.
Palm-size 7 cm or more - Large
Size (including rubber sponge)
Large: 8.0 cm x 8.1 cm
Material Yame Sugi wood