This is 10 cm, it's Nickel-Free as the hooks is Stainless Steel as the pins and pacifier charms is acrylics. 

Perfect for anybody with the aesthetic of Pastel, Babycore, or hosting a Baby Shower!

It's Free Shipping, ships at USPS. 

When delivered, it would come in a bubble mailer, parchment paper in logo, recycled hearts and eraser freebies with a QR code. 

Messages me if you have any more questions!