This pajama set is size 4X (34/36) and made by Only Necessities. It is made with cotton and polyester and machine washable. The stretchy thermal shirt measures 32 1/2" across and is 32" in length from the back of the neck. The coordinating soft flannel pants have an elastic waist that measures 23 1/2" across unstretched, the hips measure 33 1/2" across and the inseam is 29 1/2". This set is new without tags, was in a sealed package, was removed to take the pictures. Very comfy.