kangapooch The Small Dog Carrier Designed and Manufactured in the USA. Constructed with comfort, portability and sustainability in mind. FOR DOGS UP TO 10 LBS. ***Sizing is for the human wearing the KANGAPOOCH, not the dog size. *** Sizing dimensions based on chest measurements: XS-28"-32" S-32"-36" M-36"-40" L-40"-44" XL-44"-48" This is a unisex product. Ladies with a large bust size may need to go with a larger size. Feel free to contact us if you have questions regarding the sizing.