✨ Lightweight tennis ball, weight: 1.66 ounces, diameter: 2.87 inches. Easy to carry and control, 60 Stage 3 mini tennis balls come with a reusable mesh bag for easy transport and storage..✨ This tennis ball is made from natural wool and durable rubber material for a consistent feel and reduced shock. To ensures the all courts tennis balls will play like new for as long as possible, not easy to get broke in normal use..✨ Pressureless tennis balls that won't lose any pressure over time, giving you maximum performance and durability, unlike standard air balls. It's not going to be very fast, so it's great for beginners..✨ The versatility of the Pressureless balls allows them to be used on any court, hard or soft, without a problem. They are perfect for teaching and allow you to enjoy tennis lessons on any clay, hard, grass, or sand court..✨ Our tennis balls can be a great gateway into tennis for any family, a great ball for a professional tennis coach, and at the same time, the kids can have fun anytime, anywhere, or even an ideal way to play with your dog or pet!