Security Boss Size	Hale Size	PetSafe Size
Small 6" width x 7.5" height	Small 5.5" width x 7.5" height	Small 5.25" width x 8.125" height
Small Medium 7" width x 9" height	Small Medium 6.5" width x 9.5" height	None
Medium 9" width x 12" height	Medium 8.5" width x 12.5" height	Medium 8.25" width x 12.25" height
None	Tall Medium 8.5" width x 16" height	None
Large 11" width x 16" height	Large 11" width x 16" height	None
Tall 11" width x 20" height	Tall Large 11" width x 19.5" height	Large 10.25" width x 16.25" height
Tall Grand 11" width x 25" height	Tall Large Plus 11" width x 23.5" height	None
XL Grand 12" width x 24" height	Extra Tall large 11" width x 27.5" height	Extra Large 13.75" width x 23.75" height
Wide Tall 15" width x 20" height	Extra Large 14" width x 19.5" height	None
Mammoth 15" width x 24" height	Extra Large Plus 14" width x 23.5" height	None
Behemoth 15.75" width x 32" height	Giant 15.5" width x 27.5" height	None