This Reusable Stainless steel 4-in-1 Set, including 3 pieces stainless steel straws in different sizes fit most tumblers, 1 piece cleaning brush and a cotton pouch. The silicone tips in different colors can differentiate end users when having visitors. The straws are made of food grade stainless steel material and is perfect for drinking cold beverages. The stainless steel straws are Eco-friendly, environmentally responsible. Welcome to your logo imprinted in this straw set.