Adjustable Youth Portable Basketball Hoop, 30 inch Polycarbonate Adjustable Youth Portable Basketball Hoop, 30 inch Polycarbonate (91115): Youth Shatterproof Backboard - 30-inch steel-framed polycarbonate backboard, which is virtually indestructible and provides great rebound factor. Slam-It Junior Rim - The Slam-It® Junior Rim 15-inch breakaway solid steel rim provides flexibility and performance similar to full-sized hoops. Telescoping Adjust- The telescoping adjustment lets you easily change the height of the hoop from 5.5 to 7.5 feet. Netball Base – The system is supported by a 10 Gallon Heavy-Duty portable base. Just fill with sand or water and play today. No cement required! Base includes wheels making it easy to move to your desired location. Pole – 3-Piece 2 inch round steel pole is protected with a powder-coated, weather-resistant finish. Specifications: Backboard Type - Steel Framed Shatterproof Backboard Size – 29.53” x 21.73” x 1.2” Backboard Surface - Polycarbonate Rim – 15 inch Steel Rim All-Weather Net Weight – 70 g Pole Size – 2 inch Pole Sections – 3 sections Adjustment Type - Telescoping Adjustment Range – 5.5 to 7.5 feet Adjustment Increments – 6 inches Base Type – Netball Base Base Dimensions – 31.6 in. x 23 in. x 6.1 in. Overall Dimensions - 50" x 30" x 107.3"