ConvaTec Little Ones Ostomy System, finding the right ostomy system is elementary. Each product has been specially designed to comfortably fit a child’s unique body contours. All Little Ones products are flexible, durable and easy to remove so there’s little discomfort. Parents love them because they let kids get on with the business of just being kids. Attaches the pouch and skin barrier using a foam collar adhesive, eliminating the need for a plastic coupling ring.