8-IN-1 TANK CLEANING KITS: Made of high-quality materials, can effectively clean your hydration bladder, reservoir, or water bottle without leaving any dirt; Includes 2 packs of a super soft brush cleaning kit, allowing you to thoroughly clean your equipment without causing any mess. Collapsible Frame: Designed for drying your hydration bladder. Can be compressed to fit inside your hydration bladder and allowed to air dry. Larger Brush: For cleaning your hydration bladder; Smaller Brush: Ideal for cleaning the mouthpiece of your hydration bladder; Flexible Hose Brush: Ideal for cleaning hoses; Designed to clean the entire water line from end to end. Great Choice for Outdoor Use: The hydration bladder brush cleaning kit is made of high-quality stainless steel, which is sturdy and durable. The brush cleaning kit can be used for a long time; Thoroughly clean your hydration bladder, tube, and drying fold for the hydration bladder frame. This hydration bladder cleaning kit is suitable for any type of outdoor use.