Twitter Reacts to Master Chiefs Master Cheeks in New Halo Episode Knox Waffle Jumpsuit Slate. Features: Cotton Blend Long Sleeve Button opening for ease of changing Care: We recommend a gentle wash Do not tumble dry Do not bleach Please check the size measurements before ordering We appreciate that every child is unique, and age serves merely as a guideline. Length: 0 3 Months: 49cm 3 6 Months: 52cm 6 9 Months: 55cm 9 12 Months: 59cm