https://jsfiddle.net/6e7t31fb/
A upvc panel cat flap allows your cat to come and leave whenever they want to. It is a straightforward 3-step installation process and can be installed on glass doors, wooden doors, or UPVC panels. It is a great choice for those who wish to keep their pets safe and reduce energy costs. UPVC panels are resistant to heat, moisture and UV. Easy to install Installing a pet flap onto your glass panel or door is an excellent idea if have a kitty. This is a great way to ensure your pet's security while you're away. A variety of different designs are available to