A:AnswerNot sure what you mean by the interior but it's the same as the top it's open there's no instructions all the way through I like them myself personally I actually have a small trade that I used to slide in the small hole to actually accommodate as a drawer almost
A:AnswerHi! Thank you for reaching out here on this -- great question! The dimensions of this piece are 20" W x 15-3/4" D x 23-7/8"H. Hopefully that helps! Thank you!