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Together they take up
and weigh 3.31 US tons (3 tonnes)
covers about the area of a basketball court
Size and weight estimated by AI from typical values. Sizes and weights are typical for an adult or standard mattress; real ones vary. Standing close together, not packed in.
100 mattresses stacked or arranged together create a massive surface area. If you laid them all out standing close together, they would cover 84.3 ft (25.7 m) by 79.8 ft (24.3 m), which is about the area of a basketball court.