Through a partnership with 1% For The Planet, one percent of sales of EcoSmart products will be donated to nonprofits dedicated to protecting the planet. The Reusable Stainless steel 5 in 1 Set includes 3 pieces of stainless steel straws at the same length and different diameters to fit most tumblers. One piece durable straw brush cleans all three straws and holds the set together. Includes a slim, wheat straw case which features over 50% wheat straw mixed with plastic. 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. This product can minimize the plastic waste to help protect our oceans, rivers, and marine life.