WINPEX Stainless steel potato masher food grade stainless steel possess higher durability and comfort. Meanwhile, masher of bilateral arch design can withstand higher pressure and non-slip handle makes food smasher tool easier for you to use it.1. his potato masher is made of 430 stainless steel which is food grade stainless steel possess higher durability and comfort. Meanwhile, The metal potatoes masher of bilateral arch design can withstand higher pressure and non slip handle makes food smasher tool easier for you to use it. 2. Integrated Design Our bean masher utensil adopts integrated design according to ergonomic theory, hamburger masher is comfortable for you to make mashed potatoes,