Dimensions1 section 98x98 2525 cm Set Contains 17 mats pcs 1 Little Stones soft 1 Stones soft 1 Stones hard 1 Cones soft 1 Spruce left footprint soft 1 Spruce right footprint soft 1 Ice hard 1 Acorns hard 1 Grass soft 1 Grass hard 1 Spikes soft 1 Thorns hard 1 Thorns soft 1 Ladder hard 1 Wave hard 1 Island soft 1 Moss soft The surfaces of the set imitate naturally uneven surfaces Walking on these mats helps to form a stable musculoskeletal system and good balancing skills Sensory Mat Module Set of Massage Each square measures 98 x 98 These Orthopedic Mats for Children are easy to store they can be assembled into a puzzle of any size