Red Hearts Triangular Tie On Dog Bandana £4.00 Quantity: at £4.00 each Add To Basket 1 in stock. Triangular dog bandana simply roll and tie to fit your dog. Always make sure there is two fingers space between the bandana and your dogs neck. The medium bandana has a long edge approximately 53 cm. Dogs should always be under direct supervision when wearing a dog bandana. Machine washable on cool, line dry.