13.1 ounces

❤【2-in-1Tracking Wristbands】Track both of your kids with ease using the upgraded Dr. Meter Safety Wrist link,the best way to keep tabs on your children and always make sure they're safe. It even functions as a 2-in-1 anti-lost waist link or 2 independent wrist links, so you can use the bonus wristband to attach it to their waists for better security. ❤【Kid-proof Lock】Make sure your kid can't lose the wristband or take it off thanks to the advanced lock and key design feature. These anti-lost wristbands will stay on whether your kid is outside playing, in a crowded mall or anywhere else. Two included keys make sure you can always unlock your child when you need to. ❤【Rotatable and Reflective】Why stop at just tracking your kid when you can make them even safer? The reflective cord of the wristband makes it easy to see them at night, while the 360 degree swivel clip makes sure that the wristband is always comfortable so it won't bother your them.