"Suitability:- small dogs: wound protection and regular walking on soft and hard surfaces med large dogs: wound protection and short walks on soft (occasionally hard) surfaces. All weather conditions. These dog boots are amongst the most comfortable we have seen. They are made from fleece lined water resistant nylon with a tough anti-slip sole. The reflective velcro fastener ensures a secure fit and provides added safety at night. Available in the following sizes: xsmall width 5cm- Chihuahua small width 6cm- west highland terrier medium width 7cm- border collie beagle large width 8cm- golden retriever Labrador xlarge width 9cm- German shepherd xxlarge width 10cm- Rottweiler xxxlarge width 11cm- newfoundland saint Bernard"