This replacement adapters pack includes a total of 10 adapters (assorted sizes) for TubShroom Ultra and SinkShroom Ultra. After long periods of use, the original adapters may become worn or you simply may lose adapters to a curious pet (we've heard it all!). We created this pack so you can replace lost or destroyed adapters and so you can have some extras for back-up. Note that you can carefully trim down the biggest adapters along the outside edges if you ever run out of the smaller-sized adapters. Package includes: (3) TubShroom Ultra Standard Medium Adapters (1) TubShroom Ultra Smal Adapter (1) TubShroom Ultra Large Size Adapter (3) SinkShroom Ultra Standard Medium Adapters (1) SinkShroom Ultra Small Adapter and (1) SinkShroom Ultra Large Adapter.