Aluminum Bags For professional use These are thick bags used by professional chefs for making yokan (a type of Japanese sweet). They can be sealed using a heat sealer. Made of aluminum, they prevent food from discoloring and deteriorating, and help retain flavor. Suitable for chocolate, coffee, tea, etc. Sizes are external dimensions. Shipping will be done by dividing bundles of 100 bags into several packages. #ConfectioneryIngredients #Cake #Baking #BreadMaking #Cafe #Hobby #MakingSweets #Homemade #Sweets #Packaging #Wrapping #Present #ForProfessionalUse #PastryChef #IcingCookies #JapaneseSweets #Sencha (green tea) #Coffee