Features:*SAFE AND EFFECTIVE: Toilet bowl cleaner thoroughly cleans your toilet bowl without damaging the pipes or any metal or plastic parts in your septic system.*Toilet Stain Cleaner: Designed to penetrate, dissolve and remove odor residue that may develop in your toilet bowl.*Easy to use: Just remove the bag and place one tablet in the toilet tank. Save your time and energy. Note: Do not peel off the outer water-soluble film when using it. Improper use will stain your fingers.*Long-lasting effect: Dissolved ingredients can effectively prevent stains from adhering, and can continuously clean and freshen the bathroom.*Wide range of uses: Toilet bowl cleaner can effectively remove stubborn dirt such as urine scale, scale, rust stains, etc., while removing stench and pungent odors in the toilet with every flush.Notice:1.Actual color may be slightly different from the image due to different light effect2.Please allow 1-3cm deviation due to manual measurementDescription:Size: Each piece: 4.5*4.5*1.7cm