100% COTTON SIZE: Small - Length: 20.5" Width: 5.5" before folding Fit: Fits necks up to 13" Medium - Length: 27.5" Width: 8.75" before folding Fit: Fits necks up to 19" Large - Length: 33.25" Width: 10.25" before folding Fit: Fits necks up to 25"