The Ubbi Plastic Bags are an option for the Ubbi adult diaper disposal, although not a requirement. Each unscented bag has a capacity of 13-gallon and is strong and durable. These plastic bags aren't a must, just a plus! Under the Ubbi name, you will find unique, quality products that are easy to use. Thanks to its award-winning can of steel, Ubbi is now a recognized brand worldwide. The Ubbi diaper pail is renowned for its ability to achieve maximum odor control and is appreciated for offering the convenience and value of utilizing any standard trash bag or reusable cloth liner, a breakthrough in the diaper disposal market. With the same customer-focused philosophy and innovative design capabilities, the Ubbi brand is now expanding its signature diapering selection. From concept to final creation, the Ubbi team works together every step of the way to bring the best in design and value. The input of every member of the team is taken into account in the development of the Ubbi products, but consumer input is the most important as customer satisfaction is our primary goal.