sizes of doors and openings the panels 202 a and 202 b have a first edge portion 204 a and 204 b respectively and a second edge portion 206 a and 206 b respectively each of the edge portions 204 a 204 b 206 a 206 b have an attachment member 208 210 respectively attached thereto the attachment members 208 210 are preferably one portion of a hook and loop fastener for example the attachment members 208 210 could each be the hook portion of the hook and loop fastener the loop portion of the hook and loop fastener or even one could be the hook portion while the other is the loop portion the corresponding portion of the hook and loop fastener is then attached to a door frame 112 and a door 114 while the attachment members attached to the panels 202 a and 202 b are separate from one another i e pieces of the hook and loop fasteners the attachment members attached to the door frame 112 and the door 114 may be one continuous piece the pet door 200 is also preferably made from a pliable material such as pvc plastic or other materials suitable for the intended.