Our 100% Cotton long sleeve baby onesies with mittens in white are perfect for embroidery, screen printing & heat transfer vinyl (HTV). This onesie is made with 7.2 Oz. 100% Cotton with an Interlock Knit making it an ideal garment for embroidery and monogramming. Its interlock knit fabric provides a stable and durable surface for decoration. Our baby onesies are the best cool weather and styled for baby boys & girls.