Water Bottle Dumbbell +Double

It's time to get up and get moving with some exercise! ou can buy this item off the shelf or print it yourself to save some money. It's compatible with PET bottles that have a 28mm diameter. Adjust your weight by changing bottles from 230ml, 300ml, 500ml, 550ml, and 1.5L Follow me as I transform all kinds of useful household items into 3D printable files! Support me some filaments by giving me a Free Boost, it will help a lot!! Happy Printing!!Boost Me