‎16.18 x 3.98 x 3.86 inches

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✅【3 REPLACEMENT BALLS】Our Valuable Tennis Trainer Set includes 3 replacement balls attached to durable elastic strings as the main ball, which makes our tennis training set the best choice for you. Our tournament level balls are made of safe & durable materials, covered with premium felt with 60% wool which is the top level of quality for a tennis ball. Our Trainer comes in a cylinder that can fit into your tennis bag, and the replacement balls are packed in an airtight & sealed canister.
✅【HEAVY-DUTY METAL BASE】Ahari Unlimited Tennis Trainer Set contains a black iron base that is heavy enough to stay stable on the ground even with the hardest forehands, it doesn’t require filling with water & sand each training session to increase the weight like cheap plastic baseboards out there, keeping your hands clean. It also features a non-skid rubber grip at the bottom to increase the friction with the ground and improves stability, which makes it works well on most surfaces.