Get this cute Daddy Knows A Lot, But Mommy Knows Everything! Infant Bodysuit from U.S. Custom Tees that features a design that reads Daddy Knows A lot, but Mommy Knows Everything! Buy this funny onesie for that little baby who thinks mommy knows everything. The design measures 6 x 7 inches across the front of the onesie. U.S. Custom Tees uses high quality Rabbit Skins onesies made with 5 ounces of 100% cotton.