Size: about 18.5 * 14cm (packaging)， physical diameter of about 10.5cmMaterial: EVAPacking: OPP bagsColor: Random deliveryCute animal shapesInstructions:Installation location 1: Install the top of the door， from the outside along the 15cm or more.Installation position 2: Install the door side end baby can not reach.Avoid the noise when close the doorPrevent the door to close suddenly so that Lock suddenly under strong wind