These are weights placed on pie and tart dough to prevent it from puffing up. 470g I bought these at a popular local baking supply store, dreaming of making pies. I've used them once and stored them at home. ⚠︎ Please purchase only if you are satisfied after viewing the images (including details). If you have any concerns, please refrain from purchasing. Thank you for your understanding regarding used items. ⭐︎ Regarding shipping... Please understand that I will use recycled packaging materials as much as possible. ~Thank you.