Both the scalloped side or the regular circle side can work, they can use for cutting cookies, fruit and sandwiches. 6 Different size cookie cutters are great for all kinds of pastries and crafts, they can definitely meet your daily baking needs. All cutters are made of food grade Polypropylene, which is non-toxic and odorless, it's safe to use. The cookie cutters are perfectly designed for all occasions - Valentines day, Birthday, Halloween, Thanksgiving, Christmas, Baby showers, fundraising, and Classroom projects.