Made of durable black polypropylene with a high-gloss finish that is resistant to breaking and damage from prolonged heat exposure.Each container has a smooth round cap and inner liners to create an air-tight seal that preserves moisture and prevents leaking.One of PP cream jars series- UKC12.UKC13,UKC14 and UKC15, capacity ranges from 50ml, 100ml, 150ml and 250ml.