RevTime Easy-DIY Ultra Thick Interlocking Outdoor Rubber Tiles 20" x 20" x 1 3/4”, 45mm Thick for Playground, Outdoor Gym Floor, Sports Deck, Backyard Play Area (Pack of 2) Red : Amazon.co.uk:
Rubber Playground Tiles / Mats - Play Areas - Swings -Safety Garden Slide 50cm | eBay
Cost-Effective Outdoor Playground Flooring Over Grass Or Dirt