Ideal Pet Products Ruff-Weather Pet Door-Small 3-step Waterproof: gives your dog freedom

Waterproof: gives your dog freedom to explore wet environments

Expands 26"-42" wide

Sizes:Medium: 21-27" 30-55 lbs

5 lbs to 120 lbs

Unzip the sides to allow the carrier to expand 3"

Ideal Pet Products Ruff-Weather Pet Door-Small 3-step Waterproof: gives your dog freedomThe Ruff Weather Pet Door was designed to handle all types of climate conditions, while boasting great energy efficiency, thanks to this doors double flap feature! Structural foam plastic frame that adapts to doors ranging from 3 4 to 1 3 4 in thickness. Double, flexible clear vinyl flaps create a 3 inch air pocket for maximum insulation and energy efficiency. Optional Ruff Weather Pet Door Wall Kit is designed for installation in walls from 4 3 4 to