[SATISFACTION GUARANTEE] If you find any damaged or defective product after receiving it or during daily use, please contact us. All our products come with a 1-year warranty for free exchange. different colors to work or the gym.NOT USED FOR CHILDREN 12 AND UNDER..[10 PACK GLASS MEAL PREP CONTAINERS] Set of 20 Piece (10 lids & 10 containers) : The containers are versatile to meet your everyday food storage needs, perfect for prep meals at home and bring it to work, the gym, travel and more..[OVEN, MICROWAVE(Not the lids), DISHWASHER SAFE /FREEZER SAFE] Our glass storage containers are made from high quality borosilicate glass, which are oven safe over to 700℉, you can use them for freezer storage,microwave(not the lids)and dishwasher..[STACKABLE/ EASY CARE ]These glass containers are made to nest inside each other and save crucial space when not in use. It's safe to wash the lids in the Top floor of dishwasher, but high temperatures over a long period of time can deform the silicone sealing strip at the edge of the lid. Please wash the lids by hand as much as possible..[BPA FREE/ LEAD FREE] The containers are made of borosilicate glass(Lead-Free) and plastic lids( ECO-Friendly, BPA-Free ) are air-tight and leak-proof to make sure there are no spill.