Depending on the model, extended gates expand to cover approximately 40.5 inches up to 66 inches when fully extended.
Common materials are metal and plastic; some designs combine both materials in their construction.
Many gates include self-closing or auto-close functions and locking latches. Available features in these listings include auto-close, easy-slide latches, dual locks, third bottom locks, and hold-open or stopper functions for stair installations.
Top-of-stairs installation commonly uses the included hardware-mounting kit. Listings often note stoppers or hold-open features to prevent the gate door from swinging over the stair edge and may recommend mounting the gate back from the stair edge (for example, at least 6 inches).
Some models are designed to be portable and foldable with carry straps for easy transport, and at least one play yard notes UV-resistant materials for outdoor use.
Weights vary by model, with examples in these listings ranging from about 7 pounds up to around 19 pounds.
Some listings reference industry certifications and standards such as JPMA certification and compliance with ASTM standards.