Introducing our UK-designed over-collar dog bandanas made from 100% cotton. These bandanas come in three sizes to fit dogs of various breeds and sizes. To ensure the longevity of the bandana, we recommend hand washing it. The small size measures approximately 20 cm in width and 14 cm in length, with an opening for the collar that measures 4 cm. The medium size measures approximately 23 cm in width and 16 cm in length, with an opening for the collar that measures 4 cm. The large size measures approximately 29 cm in width and 20 cm in length, with an opening for the collar that measures 5 cm. Please note that all measurements are approximate due to manufacturing methods.