High Quality Bouncing Ball Our bouncing ball is made of high-quality nylon, rubber, and plastic. It is durable and abrasion-resistant, providing excellent traction and securely holding the tarp in place. The product has a service life of more than 2 years. How to Use This ball stretcher is easy to use compared to other models. Simply pass the rubber cable through the hole and attach it to the ball. The cable offers strong elasticity, ensuring durability even under tension. No need to worry about overstretching or cable breakage. Versatile Use The set includes 40 pieces. The tarp stretcher is suitable for tents, tarps, posters, expansion rings, tarpaulin supports, rubber tarps, curtains, and more. Ideal for camping, outdoor use, or storage applications. Note: Measurements are manually taken, so please allow 1–3 cm variation. Due to differences in lighting and screen displays, slight color variations may occur. Actual product may vary slightly. Delivery Quantity: As shown in the main image