Zero Waste USA Dog Waste Station Can Liners, 200 bags per case. Our liners are made with a star seal bottom for extra strength. Passes the 'puncture test'. Liners are black opaque, so you can't see through! Standard Size: 26"W x 33"33L, 1.1 mil heavy duty, 25 bags per roll - 8 rolls per case. Bag size: 27"W x 33"L, Thickness: 1.1 Mil, Case Weight: 13.8 lbs, Liner Color: Black, Opaque