⚫︎ Purchased as a hiking drink holder at Ishii Sports 2-3 years ago. Brand name is not listed, so it's unknown. ⚫︎ Does not fit bottles larger than 500ml. The photos show sports drinks and water inside, but the fabric is stiff and doesn't stretch, making it difficult to insert. It fits slender bottles. Ultimately, I used it to carry food or my smartphone (7cm wide x 14cm long). ※ Haven't used it for over 2 years. - Color: Black - Material: Nylon (stiff fabric) - Weight: 54g - Size: A 5.5cm diameter PET bottle fits with room to spare. Thank you for looking.