*TRIANGLE DIMENSIONS: Small=23"(58cm)X16"(40.6cm)X16"(40.6cm), Large=30"(76.2cm)X21"(53.3cm)X21"(53.3cm). Please measure your pet's neck and leave room to tie knot. (Small size fits up to a 16" neck, Large size fits up to a 23" neck). *HIGH QUALITY MATERIAL: Reliable and comfortable: the sublimation dog scarf is made from quality polyester mateiral, which is soft, lightweight and reliable to wear without burden, moisture-wicking fabric can keep your pet dry and comfortable. *WASHING:Machine washable on cold and lay flat to dry.