Crystal-clear, BPA-free Tritan lids and bases feature 360 degree clarity Built-in vents under latches allow splatter-resistant microwaving with the lid on Stain resistant material keeps plastic food container looking like-new and resist odors Stacks perfectly to one another to save space and stay organized in the pantry or fridge Safe for the dishwasher, microwave and freezer 100% Leak-proof Guaranteed – airtight food storage container seal helps prevent spills and leaks Guaranteed not to leak, Rubbermaid Brilliance food storage containers are intelligently crafted and beautifully designed. These BPA-free plastic containers are built with an airtight leak-proof seal and secure latches. Crystal-clear lids and bases make it easy to see what’s inside and are stain- and odor-resistant, which helps them stay looking like-new. Featuring a splatter-free lid design, built-in vents allow steam to escape so you can conveniently microwave food without removing the lid. These food storage containers also save space, with a modular design that perfectly stacks in your fridge or lunch bag. Full lifetime warranty. 18-piece set includes (2) 0.5 Cup with lid, (2) 1.3 Cup with lids, (2) 3.2 Cup with lids, (2) 4.7 Cup with lids, and (1) 9.6 Cup with lid.