Compatible with Stanley 40 oz Tumblers – These plastic straws are perfectly sized (12.2 inches) for Stanley 40 oz tumblers, offering an easy and hassle-free replacement for your original straws. Durable & Food-Grade Plastic – Crafted from food-grade, BPA-free plastic, these straws are durable enough for long-term use and safe for all your beverages. Easy to Clean & Maintain – Includes two cleaning brushes that are long enough (11.22 inches) to reach the bottom of the straws, making cleaning a breeze. They are dishwasher-safe and retain no stains or odors.