Kyowa Kogyo Legend Matsushita Collection Glass Lock Barrier 4-Piece Set (400ml x 2, 900ml x 2) GLBS4-21 Durable and won't break if dropped! Scratch-resistant glass food storage containers. Compared to plastic containers, it is more hygienic as it is less likely to transfer colors or get stained! Made of heat-resistant glass, so it can be used in the microwave and oven with the lid removed. Secure 4-point lock prevents liquids from leaking. High transparency and beautiful appearance, so it's great to put them directly on the table! It has about 3 times the strength of ordinary glass. It is also compatible with freezers, refrigerators, and dishwashers. Great for everything from food moisture protection to meal prepping and storing leftovers. ■Size/Weight 400ml x2: Approx. 123 x 123 x 63mm / 320g 900ml x2: Approx. 158 x 158 x 75mm / 530g ■Material 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 ※Instant purchase OK. ※ 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.