New lid-locking technology. Bleach-free. Kills 99.9% of viruses (Influenza virus type A2, influenza virus type B) & bacteria (Pseudomonas aeruginosa, Salmonella enterica, Staphylococcus aureus, Escherichia coli 0157:H7, Streptococcus pyogenes, Klebsiella pneumoniae). Kills covid-19 virus (Kills SARS-CoV-2 on hard, nonporous surfaces). Prevents bacteria (Odor-causing bacteria) growth for up to 24 hours. Safe on finished wood, laminate and glazed tile. Fits Swiffer (Swiffer is a registered trademark of the protector & gamble company) sweeper mop heads. Ultra-textured cloths trap 4x more particles, dirt and hair (vs. Clorox Disinfecting Wipes). Contains no phosphorus.