The Reusable Stainless steel 10 in 1 Set includes 8 pcs stainless steel straws in different sizes fit most tumblers, 1 piece straw brush and a cotton pouch. The silicone tips in different colors can differentiate end users when having visitors. The straws are made of 18/8 food grade stainless steel material and is perfect for drinking cold beverages. The stainless steel straws are Eco-friendly, environmentally responsible, and sustainable as they are reusable and dishwasher safe. It can minimize the plastic waste to help protect our oceans, rivers, and marine life.