Welcome to the store! Features: Function: Indoor decompression, adsorption, can be used as a sticky target ball. It can adhere to glass, wood, and other flat surfaces. It can stick to the ceiling for 3-20 seconds and plaster walls for 5-30 seconds. These sticky balls absorb light and store it, then emit a beautiful glow in the dark. Safe & Reusable: These stress-relieving sticky balls are made of quality rubber material, completely safe for human health. They are lightweight, durable, waterproof, and reusable. When stickiness is insufficient, it can be restored to new by washing with water. Tear Resistance: The luminous stress ball has super tear resistance, no matter how you squeeze it or throw it at the ceiling, wall, or floor. Whether you squeeze, stretch, pull, throw, etc., the sticky ball will immediately return to its original shape. Suitable for all children and adults, and can also train a child's gripping ability. The sticky ball can help promote a sense of calm, reduce stress and anxiety, and can increase focus. Specifications: Material: TPR Color: White/Orange/Blue/Green Size: Approx. 1.8x1.8in/4.57x4.57cm Note: 1. Please allow 1-2 cm errors due to manual measurement, ensure that you do not mind before you order. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. Package includes: 1x Luminous Sticky Balls Your satisfaction is our highest priority. We will provide you with the best service. If you find any problems after receiving the product, such as damage, incorrect quantity, etc., please contact us immediately and we will provide you with the best solution!