8)Germ-lock waste bags trap odors caused by germs. They keep your hands clean and free from odor caused by germs while picking up after your dog! Our Mega-roll bags are long lasting with an amazing 30 bags per roll, that’s twice as many compared to ordinary rolls, so they last twice as long! Germ-lock dog waste bags are super strong, leak proof, deodorizing and scented with citrus or lavender.