ITEM NAME:Pvc Inflatable Children's Sandbag Boxing Column Tumbler Vent Sandbag Column L7R9 Description 100% new quality Material: PVC Size: 155 * 25CM Thick material, not easy to break How to use: Fill the bottom air chamber with sand or rice first (the more, the better, the more stable, do not fill with water), and then fill the upper air chamber with full air (do not pull the plug after inflation)! feature: 1. This product is made of high-quality PVC material, lightweight and durable, with a thick bottom, suitable for indoor and outdoor use. 2. It has two compartments, one at the bottom is used to increase the weight of water or sand to maintain its stability on the ground, and the top is air to help you train your skills. 3. Easy to inflate and deflate, can be folded to store small size items. 4. For stress relief, bodybuilding, etc. 5. The bottom can be filled with sand or water (must be greater than 7 kg) to maintain stability. 6. Very suitable for sports, helping to improve agility and hand-eye coordination. 7. Inflatable products are small, light, foldable, and can be carried in a backpack Quality first and best service. Customers are our friends. Stylish design, 100% brand new, high quality! Wash the water below 30 Â ° C with warm water, do not bleach Note: 1. For photos, please allow slight color difference 2.Dimensions may vary by manual measurement Package Included: 1 inflatable sandbag 1 air pump 3.Material: PVC. This product is made of high-quality PVC material, lightweight and durable, with a thick bottom, suitable for indoor and outdoor use. For stress relief, bodybuilding, etc. Thick material, not easy to break.