Sport Dog Tank Top Made with High Quality Interlock Stitch Fabric that is very soft and stretchy 65% Cotton and 35% Polyester Feature our Sporty contrasting Lock Stitch trim binding Light weight and cool Important Sizing Note: The measurements provided are the dimensions of the actual product, not of the pet they fit. After measuring your pet, make sure all measurements fit within the dimensions provided (with a little room to spare in the chest and neck)