Description: 【Versatile Use】: This double layered water bottle net bag is not only suitable for carrying water bottles to 8cm in diameter but also can hold umbrellas, mobile phones, and other items. It's an ideal accessory for hiking, traveling, and other outdoor activities. 【Adjustable Shoulder Strap】: The shoulder strap of the water bottle bag can be adjusted from 70cm/27.56inch to 130cm/51.18inch according to your needs, making it easy to carry around. 【Quality Material】: Made of nylon mesh material, this water bottle bag is designed for long time use and can withstand the rigors of daily wear and tear. 【 Size】: With a height of 21cm, this water bottle net bag provides ample space for your belongings while maintaining a compact size for easy portability. 【Application】: Water bottle carrier is for hiking, camping, traveling, climbing, trekking, cycling, running, mountain, and outdoors saddle bag. Size Chart: 21cm/8.27inch Package Includes: 1 Water Bottle Carrier  Note: Please allow slightly errors 1-2cm differences due to manual measurement.