EXCELLENT ELASTICITY-This kind of children's trampoline has elastic belts instead of the traditional spring design. It has excellent elasticity and also increases safety. It can be used for a long time without deformation. The circular jumping mat is made of heavy-duty polypropylene, which has greater flexibility and durability. FULL PROTECTION- The high-density elastic fence around the trampoline helps keep children safe at all times, enough to keep them away from danger. At the same time, the net is completely visible, so you can observe your child at any time. The grid at the bottom can prevent children from getting hurt by getting into the bottom of the trampoline. JUMP FOR FUN-This 48-inch trampoline is suitable for children from 3 to 10 years old, making them like sports more, and increasing the sense of balance and coordination in the game. The maximum weight of the trampoline is 99 pounds, so you can rest assured that children can jump happily on it. SIMPLE ASSEMBLY-The box you received contains the entire accessory package you need. You can follow the installation steps on the product manual to assemble, it will not take too long. Moreover, after successful installation, the product occupies a small space, which can save space. INDOOR&OUTDOOR PLAY-The Jumping mat of the trampoline is waterproof, so you can choose to use it outdoors or indoors according to the size of the venue, and at the same time, your children can enjoy the fun of trampoline in different weather.