All Cheeky Chic Bows are machine washable, durable and have been treated to ensure stain resistance. Things that Make Cheeky Chic Bows better: Interfacing- this makes sure that the bows remain perky and looking their best. Hook and loop fastener- this means you can get a custom fit to your pet's collar making sure it fits snugly. Multiple Attachment Points- this makes sure that the bow is secure to the collar, dogs won't be able to see or take it off themselves. Sizing Large is about 5.5 inches x 3 inches - Suggested for Pets over 30lbs Medium is about 3.5 inches x 2 inches - Suggested for Pets 10lbs to 30lbs (or smaller pets if they have long hair) Small is about 2.25 inches x 1 inch- Suggested for pets under 10lbs and who have short hair