<br><b>Size : Outer 11.4×9.4” ; Inner 8.25×10.5”</b> <p> <br><b>This dog screen door for scree is suitable for small pets (doggy,puppy,cat) go out and in from indoor to outdoor , garden etc.</b> <p> <br><b>Safe and strong material and design to make sure the use lifetime and security assurance.</b> <p> <b>100% guarantee for you , if any problem or dissatisfaction , Petleso will provide the replacement or refund to you.