✅ PREMIUM BOROSILICATE GLASS AND BAMBOO QUALITY: Our glass container made of high quality borosilicate glass with smooth and beautifully polished Bamboo Lids in set of 5 Pack, total 10pcs. Our bamboo lids are strong, durable and Eco-friendly. They're plastic free, BPA free, phthalate free. Make heathy products a part of your every day life! | ✅ ALL-IN-ONE USE: Simply use our glass container for meal prep, our 5 different sizes give you generous for storage space for all needs, straight from the food prep to the oven cook. Our borosilicate glass is oven safe up to extremely high temperature 600F degree, server the delicious meal for lunch or dinner after cooking then storage the leftover in the container with airtight bamboo lids in the fridge. You can also use as a lunch box and to warm in microwave or oven for the next day. | ✅ ULTRA VERSATILE: Our glass container safe in oven, microwave, fridge, freezer and dishwasher. They could use as meal prep, lunch box, butter dish and oven cooking pan. Our bamboo lids are stylish and work great as small cutting board for cheese, vegetables etc. The non-reactive clear glass resists stains, food adores, it’s nonporous, worry free of germs, or even smells seeping into your glass containers. The same can’t be said for plastic! | ✅10 PIECES IN 5 SIZES: Unlike most 4 packs, our 5 packs set includes one extra small size use for baby food or mini sauce bowl. Size is from 4OZ (4.1x2.8x1.65) , 12OZ(5.7x4.1x1.8in), 21OZ (6.6x4.8x2.1in), 31OZ(7.7x5.7x2.4in), 50OZ(8.7x6.5x2.6in) and each with their own bamboo lid. We also offer an XXL Size 76OZ (9.7x7.7x3.0) you can order separately; it is a great choice to cook or store a large portion of food. | ✅ CUSTOMER WARRANTY: You get our warranty once you place the order, any glass damage, pls contact Urban Green Customer Service Card in the box, we will give you full refund without Return! If you do not like our product, email us directly, we will take care of it!