This set includes 30 square pop keychains, each featuring different color combinations for varied visual appeal. The keychains produce a satisfying popping sound when pressed, which may help relieve stress. Made from soft, lightweight silicone, the material is safe for children while providing a tactile experience. Each keychain measures 3.8 cm x 3.8 cm, making them compact and easy to carry with the included attachment. Suitable for various settings—work, school, or travel—these keychains can also serve as classroom rewards, party favors, or gift bag fillers. The durable silicone construction ensures long-term use. Designed for both kids and adults, they offer a simple sensory activity.