Common backboard sizes for over-the-door hoops include smaller boards around 12 x 17.75 inches and larger options near 16 x 24 inches; one listing also gives a metric size of 40 x 24.5 cm (15.74 x 9.64 in).
Most sets are designed to hang over a door using hooks or over-the-door hardware, and some models also list wall-mounting as an option; many include the required mounting hardware and instructions for either installation.
Assembly varies by model: some offer quick, tool-free setup or pre-assembled hooks that hang over most doors, while others require simple tool-assisted steps with basic tools provided.
Many sets use clear, impact-resistant polycarbonate backboards and add thick EVA or sponge-foam padding on the back to reduce door impact and noise.
Mini hoops commonly use spring-action or breakaway steel rims (examples around 9"–9.5") paired with heavy-duty nets—listed examples include 3‑ply or trichromatic nets—to improve durability and realistic play.
Target ages vary: some sets are labeled for very young children (for example, 3 years and up), others use broad labels like "All Ages," and a few list adult ranges such as 18 years and up.