Includes 2 adult suits, "hair helmets" mitts, & a sumo mat. The Sumo Mats are 14' X 14' in dimensions & they come in 3 separate pieces which is connected with hook & loop fasteners. The Mats has an 1.5" thick foam inside of 10 oz. Vinyl Material. The Sumos Mats are for all age groups if someone just want to play on the Mats...But if they will be used for Sumo Wrestling then that would depend on their height & if they can fit into a Sumo Wrestler suit. Which should be at least 5'6".