Reusable Magic Non Stick Gas Hob Protector Liners x 4 2 "Disappointing" Sue 24 February 2018 Very disappointed with these compared to my other purchases this time. They would not sit flat on my hob even when trimmed to size. However will say they washed well. A note from the team Thank you for placing your review on the Magic Non Stick Gas Hob Protector Liner. we're sorry to learn on this occasion the gas hob protector liner haven't met your expectations. Our product team have confirmed:(A)Before fitting Make sure the gas hob is cool.(B)Remove the pan holders from the hob.(C) Place Magic Hob Liner with the cut out section over the burner so that it lays flat on the cooking surface. We'll be in touch shortly to help you further.