Materials: 100% cotton , pique, 220gsm, 1) Flat knit collar and cuff. 2) 2-button placket 3) Double stitched at bottom 4) Max Shrinkage is 5% 5)packing: 1PC/polybag,12 PCS/big polybag, solid color assorted sizes. 48PCS /carton, solid color assorted sizes.