What you get: Portable bottle holder with 4 carabiners in 2 different colors: blue and black. Material: The bottle holder with carabiners is made of silicone and fits securely around the neck of your bottle. It can firmly hold heavy water bottles and won't easily fall off. Size: The bottle holder measures approximately 55*37 mm/2.16*1.37 inches and fits most disposable bottles. It's easy to attach and remove. Wide range of applications: Perfectly frees up your hands to attach your water bottle to your backpack or pants when doing outdoor activities like climbing, traveling, fishing, hiking, and excursions. Convenient and portable: Small size, compact, and easy to carry. Saves space in your backpack for other items while camping, hiking, and traveling.