Material---Soft foam. Nonslip easy to assemble and comfortable. 

Size---29cm x 29cm x 1cm approx. 

Thickness---10mm

Where can they be used:

Excellent use from Nursery Play, Indoors, Outdoors, Gym, Garage, Games Rooms, Schools, garden, picnics Exercise, Gymnastics and yoga.

Ground protection for inflatable / pop up swimming pools

Protection around Garden Play Equipment (Trampolines, Swings, Slides etc.

Home Gym for Yoga, ab workout, general fitness etc..