Easy to install, simple.
ABS material (a very good kind of plastic).
Relatively large size, suitable for cats of any size.
Four major functions:
(1) No entry and no exit (completely closed)
(2) Can go in and out (completely open)
(3) Only in, but not out
(4) Only going out, but not in
Specifications:
S: Frame size: height 20width 19thickness 2CM
Door cover size: inner height 15CM* inner door width 15CM
L: Frame size: height 25width 23.5thickness 5.5CM
Door cover size: inner height 19CM* inner door width 18.2CM
XL: Frame size: height 28width 25thickness 5.5CM
Door cover size: inner height 22CM* inner door width 19CM