This Water Bottle Holder Carrier Bag is designed specifically for Stanley 40oz Tumblers, featuring a secure open top for easy access. The black color and classic design make it perfect for outdoor activities like camping, hiking, and adventures, offering a comfortable lanyard strap for hands-free transport. Made with reusable and collapsible material, this foldable bag includes a convenient handle for added portability. Crafted in China, this water bottle holder is a must-have accessory for those who enjoy staying hydrated on the go.