This giant bounce house will offer tons of fun for your kids,letting them kill time in a healthier and more active way. It is made of heavy-duty 420D+840D Oxford cloth,which is waterproof and tear-resistant to support kids for long time use. Just unfold the product,connect it to a blower (excluded) and fix it by ground stakes,you can set up a fun water park in the yard. Note: 1.The product needs a constant supply of air from the blower (which inevitably produces some noise). It is normal that some air (bubbles) coming from the fabric surface and seams. 2. It is normal that some water leak from the edge of splashing pool. 3. Please make sure the product is completely dry before storage. 4. Please keep it in dry and ventilated place when not in use.