Advanced material: Foam tennis balls made from materials. The foaming sponge core ensures durability while staying soft and safe. Casual stress reliever: These foam tennis balls are a casual stress buster. Bright colors and a cute appearance make them fun toys while improving hand strength and flexibility. Lightweight and portable: With compact size and an easy to carry design, you can take them anywhere. for impromptu games with friends or family, they fit easily into your pocket or bag. Widely used: With wide application, they are for family gatherings, birthday parties and school activities, ensuring that everyone can join in the fun and create unforgettable memories. Use scenarios: Family gatherings and birthday parties for inclusive, low effort play School activities and classroom breaks for quick physical activity Impromptu games with friends or on the go during travel or outings