This set of 3 nightgowns are 100% cotton. The white one with strawberries is long sleeve, and the pink is short sleeve, and the white with gray stars is also long sleeve. The are size 11-12 (M). They are knee length and all are very comfortable. The pink one and the gray star print have never been worn. The white with strawberries has been worn a few times but all in in very good condition.