HEIGHT-ADJUSTABLE JUNIOR HOOP: Kids of different age ranges can practice their game and even feel like a high-flying pro athlete . as the rim can be adjusted between approximately 6 and 7 feet. STURDY BASE: The hoop easily fills with water or sand . ensuring it remains standing whether you’re shooting or practicing new acrobatic dunks. INDOOR/OUTDOOR DESIGN: High-quality junior basket can be set up in a gym for indoor practice or in the backyard for kids to enjoy friendly competition with an outdoor pick-up game. DURABLE MATERIAL: Crafted with heavy-duty steel . a hard-plastic backboard . and an all-weather nylon net . this hoop is designed to last through many basketball seasons. EASY TRANSPORTATION: Made with 2 built-in wheels that allow you to tilt and roll the hoop with minimal effort