Dog Door for Sliding Glass Door, Adjustable Height, Small Dogs

Dog door for sliding glass door gives small pets safe, independent in-and-out access without drilling—ideal for renters who want an adjustable, secure patio door insert. The aluminum alloy frame and tempered glass window are built for daily traffic, while the low 2.4" threshold helps tiny paws step through comfortably. Set the height to fit most sliders, then use the slide-in closing panel and button lock when you need to restrict entry and exit.

• Fits adjustable sliding doors from 75 7/8" to 80 11/16" (1927–2049 mm) for most patio door tracks


• Delivers easy step-through access with a low 2.4" threshold—no jumping or squeezing for small dogs


• Includes a slide-in closing panel plus button security lock to block entry/exit at night or when away


• Supports frequent use with a PVC flap and smooth metal hinge system for reliable daily in-and-out


• Installs quickly with no drilling required; adjust height via turn knob for a cleaner rental-friendly setup

Give your pet freedom without leaving your sliding door open. This sliding glass pet door insert combines a sturdy aluminum alloy door frame with a tempered glass panel to match many patio doors while handling temperature changes. The small flap size is designed for pets up to 10 lbs, making it a practical fit for small breeds and kittens. When you need control, drop in the closing panel and lock it in place—simple, fast, and secure. Grab yours today and make daily potty breaks easier.

• Adjustable height: 75 7/8"–80 11/16" (1927–2049 mm)


• Flap opening: 5 1/4" W x 8 1/8" H


• Recommended pet size: up to 10 lbs


• Threshold height: 2.4"


• Door frame material: Aluminum alloy


• Window material: Tempered glass


• Flap material: PVC


• Item weight (with accessories): 12.6 lbs / 5.7 kg