M	L
Dimensions in inch	21.5×15×7″	25.5×18.×12$″$
Cat Weight in lbs	Up to 8 lbs	Up to 18 lbs
Dimensions in cm	$55\times 38\times 18\; cm$	$65\times 46\times 30\; cm$
Cat Weight in kg	Up to 4 kg	Up to 8 kg