This Wilton Decorating Round 12 Star 21 Tip 2112 Set is the perfect tool for creating beautiful and intricate designs on cakes, cupcakes, and other desserts. The set includes twelve stainless steel tips, a coupler, and a reusable storage case. The tips range in size from 1/16 inch to 1/2 inch, allowing for a variety of designs. The coupler makes it easy to switch between tips without having to clean the piping bag. The tips are also dishwasher safe for easy cleaning.This set is ideal for both beginner and experienced bakers. The tips are easy to use and allow for a wide range of designs, from simple stars to intricate patterns. The tips are also durable and can be used multiple times. The reusable storage case makes it easy to store the tips and coupler when not in use.This Wilton Decorating Round 12 Star 21 Tip 2112 Set is a great tool for creating beautiful and unique designs on cakes and other desserts. With its durable stainless steel tips and easy-to-use coupler, this set is perfect for both beginner and experienced bakers.