CAT Window, 1/4 inch thick glass with pet door is 3/4 thick X 10 inches wide and fits inside your window. For order size, measure your sliding door or window or the inside track grooves for the installation of pet window to be installed with sliding locking wedges and interlocking shims. Place the weather foam seal on your pet door window to lock out the draft and install lock. Locking your window in place. Flap door is fasten with a magnet closure that holds it in place. Pet door has a 4-way switch allows it to. Open in both directions from either side, in only, out only, lock and unlock with freedom to come and go. The item “Vinyl sash glass window, 40-44 wide with 7×7 locking door up to 20 lb by CAT” is in sale since Friday, February 17, 2017. This item is in the category “Pet Supplies\Cat Supplies\Doors & Flaps”. The seller is “ekin3902″ and is located in Melbourne, Florida. This item can be shipped to United States, Canada, United Kingdom, Denmark, Romania, Slovakia, Bulgaria, Czech republic, Finland, Hungary, Latvia, Lithuania, Malta, Estonia, Australia, Greece, Portugal, Cyprus, Slovenia, Japan, China, Sweden, South Korea, Indonesia, Taiwan, South africa, Thailand, Belgium, France, Hong Kong, Ireland, Netherlands, Poland, Spain, Italy, Germany, Austria, Bahamas, Israel, Mexico, New Zealand, Philippines, Singapore, Switzerland, Norway, Saudi arabia, Ukraine, United arab emirates, Qatar, Kuwait, Bahrain, Croatia, Malaysia, Brazil, Chile, Colombia, Costa rica, Dominican republic, Panama, Trinidad and tobago, Guatemala, El salvador, Honduras, Jamaica, Antigua and barbuda, Aruba, Belize, Dominica, Grenada, Saint kitts and nevis, Saint lucia, Montserrat, Turks and caicos islands, Barbados, Bangladesh, Bermuda, Brunei darussalam, Bolivia, Ecuador, Egypt, French guiana, Guernsey, Gibraltar, Guadeloupe, Iceland, Jersey, Jordan, Cambodia, Cayman islands, Liechtenstein, Sri lanka, Luxembourg, Monaco, Macao, Martinique, Maldives, Nicaragua, Oman, Peru, Pakistan, Paraguay, Reunion, Viet nam, Uruguay, Russian federation.