Kitchen Life 12 Pieces Acrylic Special Series Spice Jar Set It is leak-proof and has a vacuum lid. It is airtight and your spices and supplies always remain fresh. The product is not glass. It is Thick Plastic and is medically approved to be the healthiest plastic. Labels are washable. It is 24 pieces. Package Content: 4 pieces of 200ml, 4 pieces of 250ml, 4 pieces of 300ml, 12 pieces in total Product sizes: 200 ml: 13x6 cm 250 ml: 11x6 cm 300 ml: 9x6 cm