Ideal Pet Products Aluminum Sash Window Pet Door | Large Flap Size 10-1/2" x 15" | Adjustable Width 27"-32"

• Window must be a minimum height of 20-3/8". Adjustable width from 27" to 32"
• Flexible flap is made of clear vinyl to allow pet to see through opening and is non-toxic for added safety
• Flap Size: 10-1/2" x 15". Recommended for pets 36 to 90 Pounds
• Includes a lock-out slide to keep your pet safe and secure when they're home alone
• The patio panel frame is elegantly white with clear tempered safety glass, blending seamlessly with your home decor

• Measure your sash window — Ensure the window height is at least 20-3/8" and width is between 27" and 32" for proper fit.
• Install the frame — Adjust the frame width to fit your sash, then secure it in place following the included instructions.
• Insert the vinyl flap — Ensure the vinyl flap moves freely, and test the lock-out slide for secure closure when needed.
• Test with your pet — Encourage your pet to use the door, reinforce positive association, and check for proper fit and safety.

Typical situations where Ideal Pet Products Aluminum Sash Window Pet Door | Large Flap Size 10-1/2" x 15" | Adjustable Width 27"-32" helps — illustrative scenarios, not customer reviews.