Thank you for your question regarding the Delta Styla 48" x 36" One Piece Shower. I will be happy to assist you today.
The depth of the seat at is widest point is 10 1/2".
If you ever have any other questions, concerns, or require anything further please feel free to give us a call at 800-345-3358 and we will be happy to assist you in any way that we can.
Thank you again!
Delta Faucet Company
Date published: 2018-05-17