S：
Product size:19.2WX20.0HX2.5D(cm)
Interior door:15.6HX15.2W(cm)
M:
Product size:19.2WX20.0HX5.5D(cm)
Interior door:15.6HX15.2W(cm)
L:
Product size:23.5WX25.2HX5.5D(cm)
Interior door:19HX18W (cm)

• 4 Way Locking: Open, Fully locked, Out only, In only.
• Easy to install; waterproof and tightly sealed to prevent energy loss, brush strip eliminates noise from the door closing
• Material is ABS, healthy and environmental protection
• Recommended for thin doors and screens up to 1/2-inch thick
• Before you purchase,please refer to the size information carefully according to your pet shape.

4 Way Locking: Open, Fully locked, Out only, In only.LIANGSM