This product is a bulk case of 100 white replacement lids designed for 1000 mL Samix® jars used in pharmaceutical compounding. These lids provide a secure, contamination- and evaporation-resistant seal for large-volume mixing and dispensing containers, helping maintain the integrity of semi-solid preparations such as creams, ointments, and gels. Essential for pharmacies and laboratories, these durable lids ensure consistent, high-quality compounding by protecting formulations during mixing, storage, and dispensing.