Elastic neoprene bag protects your water bottle from damage and scratching. The carry strap design makes it convenient for portability, ideal for outdoor activities or students. Features: Made of high-quality elastic neoprene material, soft, washable, and durable. Includes a carrying strap with adjustable length to meet personal needs. Provides excellent protection for your water bottle and enhances portability when traveling. Suitable for outdoor activities such as hiking, camping, fishing, picnics, and travel. The elastic material allows slight stretch, ensuring a secure fit for water bottles; multiple sizes available. Specifications: Condition: Material: Elastic Neoprene Color: Black Size: #1, #2, #3 (Optional) Diameter: approx. 8–10 cm / 3.15–3.94 inches Carry Strap Length: approx. 70–140 cm / 27.56–55.12 inches #1: Height: approx. 15 cm / 5.91 inches, fits 650 mL bottle #2: Height: approx. 19 cm / 7.48 inches, fits 750–800 mL bottle #3: Height: approx. 26 cm / 10.24 inches, fits 1100–1500 mL bottle Note: The elastic material allows slight stretch (±0.5–1 cm). Weight: approx. 62–74 g Package Included: 1 x Bottle Carrying Bag with Strap (bottle not included) Note: 1. Please allow 0–2 cm error due to manual measurement. Thank you for your understanding. 2. Monitors are not calibrated the same; the color displayed in photos may differ slightly from the actual item. Please refer to the physical product for accurate color.