This Trudeau Original Design, 12" reusable silicone decorating bag will make your life easy when decorating your favorite baking goods. Trudeau's reusable bags are easy to fill and are made of silicone which makes them stain and odour resistant. The kit includes a reusable bag, a standard coupler, and a medium coupler to fit most metal tips or our QUICK system tips. The couplers feature the QUICK system which will make changing tips easier and faster than ever! The kit is BPA-free and dishwasher safe.