Backboard size: 32" x 22", Eco-composite board Direct offset; 4.5' to 6.5' height with adjustment in 2" increments Telescoping lift; 2" round steel pole Base fills with 14 gallons of water For ages 4 and up Eco-Composite 32" Telescoping Portable Basketball Hoop. Drain threes anytime. The Spalding Eco-Composite 32" Telescoping Portable Basketball Hoop is built for young students of the game. It has a fan-shaped backboard made of strong composite material that stands up to rain, snow or heat. You can raise or lower the rim using the telescoping lift, which adjusts from 4.5 feet to 6.5 feet with no tools required.