We are sorry for any inconvenience you’ve experienced, Jackie. Please know all Member's Mark items come with a 100% Satisfaction Guarantee and can be exchanged or returned anytime. We also have tips to protect this set: Always use on low to medium heat and avoid high heat when cooking. Avoid sudden changes of temperature as it may result on deformation of the base so that the product will not work properly anymore. After washing, dry immediately each piece with a dry cloth or paper towel to prevent lime scale formation. Do not use corrosive cleaning products such as bleach, acids, oven cleaners, etching, etc. they will seriously damage the non-stick coating and deteriorate the finish. Store your cookware carefully, avoiding direct contact with metal or sharp objects.

Hi Jo, thank you for sharing your comment. For this set it is Oven safe up to 450°F（232℃）without lids; up to 350℉（176℃）with lids.

Tammy, we are sorry for this experience, but our aluminum cookware set with nonstick coating inside is not suitable for metal utensils, otherwise the coating will chip. Please contact Member Support at (888) 301-0332 to go over your options for assistance.

We are sorry to hear about your experience, Jb. We have some tips for you to protect this set. 1) Always cook on low to medium heat. 2) Avoid overheat (dry boil) empty cookware. 3) Recommend using silicone, nylon, bamboo or wood utensils when cooking. 4) Please keep the temperature lower than 232℃ before put the food in the cookware. 5) Avoid sudden temperature change (Thermal Shock). Please know you can exchange or return them anytime as part of the Member's Mark 100% Satisfaction Guarantee.