Description 6′ x 6′ Mat for Ultra Dome Trainer Norbert’s latest innovation is designed to fit perfectly around The Dome Trainer. This Mat used for the Ultra Dome Trainer is 6′ x 6′, and is filled with 1-3/8″ thick crosslink, covered with 18oz vinyl and comes in 4 sections for easy storage. Sections easily connect with Hook and Loop fasteners. This durable ad foldable mat is made to fit virtually all Dome Trainers. Ultra Dome Trainer sold separately. Find it here. Model: GT-328 IMPORTANT – CONSUMER WARNING & PRODUCT INFO – Click Here and please read carefully California Residents: Click Here for Important California Proposition 65 Warning Information If the shipping cost is not listed, Shipping costs will be emailed to you after your purchase. If you’d like a quote before buying, please call us at 877-496-7763.