【Safe substance】Made of acrylic Ingredient, it ensures the for to use. Compared with traditional glass Glasss, it is less prone to breakage. 【Sensory Experience】The design is in the shape of Globules, providing a unique visual stimulus and helping develop their sensory perception abilities. 【Easy Installation】No tools required for quick installation. The back is equipped with a strong adhesive device, making it easy to fix on any smooth wall Face. 【Decorative Function】Not only a toy, but also a creative wall decoration that adds liveliness to the interior. 【Easy to Clean】The face is smooth and does not accumulate easily. For daily maintenance, simply wiping it is sufficient to keep .