FITS MOST WIDE MOUTH BOTTLES: Compatible with wide-mouth 12,16,18, 20, 24, 32 and 40 oz water bottle. (Note: Our snap-on ring are NOT COMPATIBLE for HydroFlask 2.0, ONLY for bottles with metal lips).NEW UPGRADE: Most water bottle safety rings on the market are too stiff to install on water bottles. Our rubber safety ring is softer and easier to install.SAFE AND EASY TO USE: No need to worry about dropping or losing your expensive water bottles. Paracord handle is a comfortable and fashionable way to carry your bottle.Made of high-quality 550+350 military grade nylon which keeps your handle on tight and prevents dropping your bottle.Less dropping means less dents! Great for active people on-the-go: walkers, athletes, travelers,hikers, campers, students, even busy moms!IDEAL FOR OUTDOOR ACTIVITIES: The compass can help you guide you when you are lost outdoors. Emergency whistles can help you remind and ask for help! In special cases, our ropes can be disassembly . It can be used for repairs,shoelace,hunting, fixed wounds,catapult,fixed emergency shelter and countless other uses. It will make your trip easier and safer.