This is a set of 30 hole-filled balls, perfect for baseball batting practice and toss batting. They are lightweight and don't fly far, making them ideal for indoor practice or home practice. ・Diameter: Approximately 42mm ・Quantity: 30 ・Color: Green Please check the photos as the actual color is a stronger green. ・Uses: Baseball practice / Batting / Toss practice / Indoor practice ・Material: Plastic The hole structure provides air resistance, which helps improve swing practice and hitting power. ◎ for children's practice, self-training, and basic club activities. 【Notes】 Due to being an overseas product, there may be loose stitching, small stains, or odors. The color may differ slightly between the photo and the actual product. Please understand that there may be some errors in the size due to amateur measurements. We have opened the product once for inspection, but it is a new and unused item. It may be shipped in simple or compressed packaging. Please contact us before evaluating the product for initial defects. Please purchase only if you understand these points.