Made from 3mm neoprene, ensuring durability and flexibility for daily use. Two zippered compartments provide ample storage for essentials like sweeteners, snacks, and small items. Features a belt with hook and loop closure and rubber grips for a secure, snug fit around the mug. Fits most 30 and 40 oz. tumblers, keeping one hydrated and organized on the go. Perfect for active lifestyles, keeping items organized and accessible while on the go. Ideal for travel, outdoor activities, or daily use, complementing your large mugs effortlessly. Mug not included.