Yes, all the drawers can be pulled out all the way, and easily removed. However, these drawers are not on any type of "full extension" supported slides that can support the weight of the drawers fully extended. You need to hang onto the front of the drawer the farther you pull the drawer out. If the drawer is extended halfway, all items in the drawer are easily accessible and allows hands free support of the drawer.
The outside of the sliding part of the drawer is 14 3/4" wide. The inside of the drawer is 13.5" wide.
Its inside dimensions are 18 x 13.5 x 5”.