About the Superyard 2-Panel Extension: Our 2 panel play yard extension increases your Superyard (sold separately) from a 6-panel play yard to an 8-panel play yard. It increases the size of the Superyard from 18.5 square feet to 34.4 square feet, that's almost 7 feet across! This baby play yard extension only works with the Superyard Aqua 6-Panel Play Yard (ASIN B083258Q7C), sold separately. Adding the extension is quick and easy. Simply snap the panels in place. Adding this baby play pen extension to your Superyard is quick and easy. Simply snap the panels in place. As you unfold each panel, you will hear a clicking sound which is the self-locking positioning feature. The playpen extension is great for indoor or outdoor use. A UV-resistant design keeps colors vibrant and ensures long-lasting durability. The SuperGrip feet and skid-resistant pads prevent movement and protect hardwood floors. Every Toddleroo by North States play yard extension is JPMA and ASTM certified. Proudly made in the USA. About Toddleroo by North States: We pride ourselves on U.S. manufacturing because it allows us to maintain the highest standard of quality control. Since 1953, our products have been built by skilled craftsmen and women who are dedicated to making the finest products in America. Our innovative, superior-quality products are designed to achieve the highest standards in safety, durability, and ease of use. You’ll always find us ahead of the curve and on the cutting edge of the industry.