This cup holder bag with strap is crafted from premium neoprene material, ensuring durability and resistance to deformation over time. Designed to fit 30oz to 40oz cups, it accommodates various bottle types while keeping your tumbler in pristine condition. Easy to clean and machine washable, this bag will never fade. It features a small zippered pocket for cash and cards, and a large zippered pocket for your smartphone. The secure lock ensures the safety of valuable items like keys and wallets. Ideal for on-the-go use, this bag combines functionality with style, making it a perfect accessory for your daily activities.