Kyowa Kogyo Kyowa Legend Matsushita Collection Glass Lock Barrier 4-piece set x 2 (400ml x 4, 900ml x 4) GLBS4-21 Durable and won't break if dropped! Scratch-resistant glass food storage containers. Compared to plastic containers, they are less likely to stain or get dirty, making them hygienic! Made of heat-resistant glass, so they can be used in the microwave and oven with the lid removed. The secure 4-point lock prevents liquids from leaking. High transparency and beautiful appearance, so they look great on the table! Approximately 3 times stronger than regular glass. Compatible with freezer, refrigerator, and dishwasher. Great for everything from food moisture protection to meal prepping and storing leftovers. ■Size/Weight 400ml x 4 pieces: Approximately 123 x 123 x 63mm / 320g 900ml x 4 pieces: Approximately 158 x 158 x 75mm / 530g ■Materials Body: Heat-resistant glass, Lid: Polypropylene ■Country of Origin South Korea ⚠️Caution: [Simple recycled packaging] ⚠️Caution: No refunds or returns after purchase. No claims, no returns. Thank you for your understanding. m(_ _)m ※ This item is stored at home. There may be scratches or dents on the outer box, please understand. There are no problems with the contents, so please rest assured.