Abstract: A folding chair equipped with inflatable waist pad comprises a plurality of pedestals located on the floor and a plurality of rods connecting pivotally to the pedestals to form a chair bracket. The chair bracket has a backrest section and a seat section to hold a seat cushion. The backrest section has a housing compartment to hold an inflatable waist pad. The chair bracket has two sides each has an armrest rod. When the inflatable waist pad is inflated and held in the housing compartment, the backrest section may be in close contact with the waist of an user sitting on the chair to comfort the waist muscles of the user.

Abstract: A folding chair equipped with inflatable waist pad comprises a plurality of pedestals located on the floor and a plurality of rods connecting pivotally to the pedestals to form a chair bracket. The chair bracket has a backrest section and a seat section to hold a seat cushion. The backrest section has a housing compartment to hold an inflatable waist pad. The chair bracket has two sides each has an armrest rod. When the inflatable waist pad is inflated and held in the housing compartment, the backrest section may be in close contact with the waist of an user sitting on the chair to comfort the waist muscles of the user.

Abstract: An improved trampoline consists of an air mattress equipped with a first inflation valve having a first fastening section attached to an inner peripheral rim and a jumping pad mounted to the inner periphery of the air mattress having a second fastening section attached to an outer peripheral rim thereof to couple with the first fastening section through a fastening element. The air mattress has a plurality of guarding struts mounted thereon to surround the jumping pad to form a jumping space. The air mattress is filled with air pressure to allow the jumping pad generating resilient force for people to jump in the jumping space up and down for exercise.

Abstract: The present invention relates to a protection device for a trampoline, wherein the protection device comprises a predetermined amount of support parts, the two ends of each support part being separately installed with an upper half part and a lower half part; and a protection film being installed between two support parts. Finally, the protection device is combined with a trampoline in order to ensure the safety of a person exercising on the trampoline.