Made of Korean-made cotton fabric, the hand-tailored by the designer. The elastic band at the back is also used for baby's elastic band. Not at all! It won't hurt! Baby is absolutely comfortable 喔 :) **Head size**Newborns can wear more than 2 years old! (Pan Niang’s head can also be worn) The baby in the photo is 4 months and is comfortable to wear :) Intimate reminder: 布 The fabrics of the store can be customized, and the money in the webpage or the manual fisherman's hat can be made. Please communicate with us in advance if there is enough cloth to do! Handmade goods are all "customized", all need to be remitted after the order is placed, about 10 days without holidays, production completed and shipped ~ It’s about 33 centimeters around the neck, for your reference 喔~ ◾️ Choose a male or female treasure, which allows the designer to easily understand and match the matching color on the back of the pocket:) 围 The bibs are handmade, so don't use the standard and vision of the machine to measure the comments! 手工 Handmade tailoring, the color position of some fabrics will be different, but it does not affect the appearance at all~ Please rest assured :) ◽️The saliva towel for any pocket and sling can be used on both sides. The cloth on the back is randomly matched by the pear sap, but please rest assured that the back is made of Korean or Japanese cotton or two. Heavy yarn, good quality, will not use the second-class fabric because it is the back In order to protect the health and health of each baby, in addition to the wrong goods, no return service is provided, please forgive me :) In order to reduce the communication time, please read the above.