tail trends happy birthday dog bandana with the birthday boy dog bandana - 100% cotton tail trends designer-made birthday bandana is made of 100% cotton fabric, and it features fancy curlicue lettering in a gold foil screen print that will surely make your furry friend the center of attention on that special day. cotton bandana has a special boomerang shape that makes it a comfortable wear for your little friend. fabric is reinforced by stitched edging, so that you get longer wear and value from your purchase. machine washable in delicate cycle. lay flat to dry. medium size fits 8"-15" neck line, dimensions are 21 x 6 inches (w x l). large size fits 16"-24" neck line, dimensions are 25 x 9 inches (w x l)