We developed a sturdy thermoplastic (ABS) frame; a see through poly vinyl flap; a floating sill to insure good closure; and a strong molded ABS lock-out slide to restrict the pet's movements when necessary. Then we made it 4 sizes for pets up to 120 pounds. And with a tamper proof mounting system and easy installation， it's the most economical pet door in the industry.

• Impact-resistant frame that adapts to doors ranging from 1-1/4-Inch to 2-Inch in thickness.
• Clear vinyl flap with patented edges that wont warp from use or extreme temperatures.
• Floating bottom threshold for perfect seal every time， Lock-out slide to keep your Ideal Pet out of mischief when unsupervised.
• Pet Door Flap Size: Small - 5" x 7" Flap Size，.
• Need Assistance? E-mail Ideal Pet Products expert US-based customer care specialists seven days a week!