Toilet training seat featuring Thomas the Tank Engine design. 27 sheets. I purchased two boxes. One box is unopened, and the other has been used, with 10 sheets remaining, for a total of 38 sheets. Seals are also included. See photos. Stored at home for 1-2 years. - Brand: Thomas & Friends - Product Name: Toilet Training Seat - Materials: Polyethylene, Plastic - How to Use: Attach to the toilet - Design: Thomas and Friends design The box will be flattened for shipping. My son used this during potty training, and he enjoyed it, successfully graduating from diapers!! The pictures pop out, so girls can enjoy it too. Thank you for looking. Please ask any questions in the comments.