This hat and diaper cover set is so adorable! It is perfect for pro photography and baby shower! The diaper cover waist circumference is adjustable with 3 button-hole belt. The eye mask makes two styles of Ninja turtle, Also it could be used itself as super hero eye mask. This pattern set includes 4 sizes 0 - 3 months 3 - 6 months 6 - 9 months 9-12 months Material:Worsted yarn Hook: US H8/5.0mm and 4.5mm, or any sizes to obtain gauges 4 buttons Skill level: Advanced beginner intermediate It is easy and quick to make.I made a lot of step-by-step photos and tutorial videos to help you to work through the project. More cute patterns for babies: http://www.ravelry.com/designers/cathy-ren http://www.etsy.com/shop/Cathyren This pattern is copyrighted. You may not rewrite, resell, trade. No mass production allowed.