Please note: This product might take a little longer to arrive as it may be shipped from outside the UK. The Cat Mate Glass Fitting Cat Flap - 4 Way Lock has a round design and can be fitted into single- or double-glazing up to 3cm. The transparent 4-way locking cat flap makes barely any noise when it opens or closes, and is tamper-proof. Thanks to the thickness and magnetic closure, it also helps to protect against draughts. Cats are stubborn creatures and like to decide for themselves when and where they go. As your cat cannot open the door itself, a cat flap such as the Cat Mate Glass Fitting Cat Flap - 4 Way Lock is an ideal practical solution to allow your cat to independently come in and out. The Cat Mate Glass Fitting Cat Flap - 4 Way Lock fits in both single and double glazing, with an extra pane of glass needed for safety glass and multiple glazing. The Cat Mate Glass Fitting Cat Flap - 4 Way Lock is transparent and has a round design, fitting into any glass surface depth up to 3cm. The brush sealing of the Cat Mate Glass Fitting Cat Flap - 4 Way Lock is waterproof and draught-proof. It has a magnetic closure that prevents the cat flap opening with the slightest breeze, as well as allowing your cat to enter without problem. The cat flap has 4-way closure, allowing for complete flexibility. You can individually decide in which directions your cat can move, with there also being the option to keep the flap completely open or closed. As the Cat Mate Glass Fitting Cat Flap - 4 Way Lock makes almost no noise when it opens or closes, it will not scare your cat. Cat Mate Glass Fitting Cat Flap - 4 Way Lock at a glance: Cat flap for small to medium cats Suitable for glass doors and windows, for both single and double glazing In chic round design and suitable for surface depths up to 3cm Transparent cat flap: allows your cat to look through at all times Rain-proof and draught-proof thanks to brush seal and magnetic closure Quiet opening and closing Easy to use 4-way locking system: Just in: keeps your cat inside once it enters Just out: your cat can go out but not unwanted visitors can come in Unlocked: lets your cat go in and out as it pleases Fully locked in both directions Total dimensions: diameter 24.5cm Cut-out area: diameter 22.3cm Entry dimensions: 14.5 x 14.5 cm (W x H) Draught stopper: thanks to brush seal and magnetic closure 3 year guarantee