Materials: Sodium hypochlorite, sodium dodecylbenzene sulfonate Size: 11*4.3cm / 4.29"*1.68" Color: As shown in the picture 1. Powerful pipe dredging agent, highly efficient in decomposing oil, hair and food residues, quickly restoring the pipe to be unobstructed. 2.Safe formula, powerful dredging without damaging the pipe material, suitable for a variety of pipe materials such as PVC and metal. 3. Simple and easy to use, dredging can be completed without tools, saving time and effort to solve the problem of household pipe blockage. 4. Safe and reliable, professionally tested, no irritating odor during use, protecting the health of users. 5. Large-capacity packaging, one-time purchase and multiple uses, meet the daily needs of the family, and high cost performance. Package includes: 1 package contains 1/2 products.