They’re usually made from durable synthetics: heavy-duty nylon (examples: 840D or 420D oxford nylon) for bounce/slide units and PVC or other vinyl for pools and park-style inflatables. Smaller accessories or toy pieces are often molded plastic.
Common inclusions are an air blower or electric pump, a repair/patch kit, a water hose or water-inlet attachment, ground stakes, a storage bag, and play extras such as inflatable duck toys or water guns.
Setup time depends on size and the blower used. Small family pools often inflate in about 5 minutes with a supplied pump; some park-style inflatables advertise inflation in under 2 minutes with a high-capacity blower. Many listings simply describe the process as “easy” without a specific time.
Capacities vary widely by model. Some family pools list water capacity in gallons (example: 265 gal) and also give a total weight capacity (example: 800 lb). Other inflatables report holding capacities around 300 lb or specify maximum individual weights (example: 75 lb). Always check each product’s separate water-volume and weight-capacity specs before use.
Many attach to a standard garden hose or include a water-inlet/hose assembly for sprinkling. For drainage and water-level control, listings commonly show bottom drain valves or specialized overflow/drain designs to empty or limit water retention.