Material: Built from flexible, food-grade silicone that resists tearing and accommodates smooth frosting flow.Included Components: This specific set typically functions as an 8-piece kit featuring 1 reusable bag, 6 interchangeable stainless steel nozzles (piping tips), and 1 plastic coupler to easily lock the tips in place.Application: Designed primarily for detailing cakes, frosting cupcakes, filling pastries, and shaping cookies or chocolate