All of Duke's collars and leashes are made of 100% cotton double stitched onto a poly-web core. They are colorfast and machine washable. medium sizes 10"-16" 3/4" wide DOG COLLAR-MED. 10"-16" amflgmed$10.95 6 FOOT LEASH FLAG PRINT WITH COLLAR SPECIAL!matching leash and collar combination MEDIUM flglshcolm$24.95