It is made of natural PP material, eco-friendly, food grade, non-toxic and odorless, can touch food directly, smooth surface is temperature resistant from -10C to 90C and easy to clean. ThicknessAllows you to cut bread into 4 different thicknesses: 15mm / 20mm / 24mm / 30mm, adjustable and easy to use Bread partnerThis Bread slicer helps you quickly and easily get bread of even thickness, no more unbalanced cuts of delicious homemade bread. Easy to UseYou only need to use the splitter to choose the size of bread you prefer,Then put the bread into the bread slicer guide,You can easily cut your bread of different thickness. MultipurposeGenerous slicing surface accommodates bread,Toast,Bagel ,Bread and sandwich.But also for cutting ham,Cheese and vegetables.This bread slicer guide is a good helper for the family.