... black big crumb rubberThSE RUBBER BRICK have some predominant capability, elastic, water-proof, slip-resisting, nonpoisonous,artistic and easy-install.Size: 500 ... yard, training ground and other public places.Features of rubber brick:1.playground flooring rubber brick2.Suit for schools,parks,community3 ... court, activity room, gym, etc. Packing pictures: EPDM safety rubber brick in gym,playground