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 Grass Mats 22mm - Grassmats
Rubber Hollow Mats-Grass/Playground/Muddy Gateways-100 X 150cm X 22mm
Safety Playground Rubber Matting for outdoors - 30 mm – Sprung Gym Flooring