ITEM NAME:Portable Tennis Training Practice Trainer Swing Tool Machine Ball J9A0 U9N9 Description 100% brand new, high quality material: plastic Height: about 87 cm (adjustable 10 cm) Fill the base with water or sand before use. This is a lightweight product that is suitable for beginners to perform basic exercises and cannot be hit hard. If you want a heavier product, please choose another product or.1pcs tennis trainer. This is a lightweight product that is suitable for beginners to perform basic exercises and cannot be hit hard. We also have other larger products. Fill the base with water or sand before use.
