The Heavy Duty Kids 4.5 Feet Trampoline is designed for both indoor and outdoor use, providing a fun and safe environment for children to play and exercise. It features a wear-resistant and anti-UV jumping mat made of polypropylene, ensuring durability and high performance. The trampoline is equipped with 36 galvanized springs for excellent elasticity and a maximum loading capacity of 100 pounds. The safety enclosure net is tightly connected to galvanized steel poles with foam sleeves, eliminating gaps between the net and the jumping mat for enhanced safety. The trampoline's compact construction and large capacity allow multiple children to jump and play together, making it a perfect addition to any backyard or playroom.