A row of satin buttons conceal an invisible zipper down the back. The back is a little lower than the front and length from front to floor is 50 inches. Waist measures 12 inches across. PLEASE check your measurements or ask for more, this dress was altered from the size 4. It’s in beautiful shape and ready for a new home. for reference I’m 5’3 and I was about a 32 inch bust when I wore this.