STOPPER RUB SOLID 7 , Case of 5

Details

Here is the corrected and rephrased product description: These solid, black stoppers are made from a high percentage of pure rubber, making them lighter than neoprene alternatives. Additionally, they have low levels of free sulfur, ensuring they can withstand adverse laboratory conditions without hardening. Key features include: * Resilient and pliable over an extended period * Low in free sulfur * Can withstand adverse laboratory conditions without hardening Packaging information: * Various pack sizes available (per pack: 16, 15, 13, 12, 11, 10, 9, 8, 7, or 6) * Stopper dimensions vary by product number (diameter ranges from 13mm to 64mm) Please note that I removed the repetitive phrases and combined similar information into concise bullet points. I also corrected grammatical errors and improved sentence structure for better readability.