Set of 100% cotton long-sleeved, front-opening undershirts, sizes 70 and 80. The dinosaur design is size 80, but it runs small, so all three are almost the same size! I'm selling them because my child quickly outgrew them. - Size: 80 - Size: 70 - Material: 100% cotton - Material: 100% cotton - Design: Long sleeve - Design: Front opening - Design: Solid color - Design: Button closure - Design: Patterned Thank you for looking.