This is a Strokcraft crib and a Simmons mattress only one yr old. Used on occasion for grandchild. It is in perfect condition, NO teeth marks on any of the rails. Instruction manual and extra hardware included to convert in full size bed. (do not have rails for that). Can be seen prior to purchasing it is still set up in bedroom. Mattress is a two sided one side for infant and the other side for toddler. Also have a fitted sheet that will go with it.