1, 【10mm Wide Straws Perfect for Milkshake and Smoothie】: This set of jumbo reusable straws includes 2-pack 216mm straight straws, 2-pack 266mm bent straws, and 1-pack long straw cleaning brush. The 10mm wide straw is the best choice for frozen smoothies, thick milkshakes, jelly, jumbo drinks, and more homemade thick beverages. 2, 【High-Quality Polishing】: With our polishing technology, the surface of our milkshake straws is well-polished, very smooth for your lips and hands to touch. Our straws have smooth rounded edges at each tip, they will not cut your lips or gums accidentally even without the silicone sleeves. 3, 【Healthy and Safe】: Made of high-quality food-grade 304 stainless steel, these steel straws are the natural choice for everyone, which is BPA-free, plastic-free, no metallic aftertaste, no oxidation, colorfast, dishwasher safe, reusable, and eco-friendly. A set of stainless steel straws can be used for many years to come – replacing hundreds or thousands of plastic straws. 4, 【Easy to Clean and Dishwasher Safe】: Each set of 4 jumbo straws comes with a long straw brush for easy maintenance, allowing you to easily clean the inside of each straw. For added convenience, these large straws are reusable and dishwasher safe to make cleaning a breeze. 5, 【Save the Planet, Save Money】: Each metal straw has the potential to eliminate up to 700 plastic straws during its lifetime. When you purchase this 4-pack of steel straws, you save over 4,200 disposable straws. That means more money in your pocket and less waste in the landfill.