The Addis Clip & Close 500ml Beaker is ideal for liquids and also has a handy measuring device with intergrated measuring scale. Lock & Lock's clever patented system uses four individual locking hinges and a silicone seal to make them 100% air and watertight. Perfect for storing food in the fridge or freezer or transporting between home and work. A large range of styles and sizes are available to choose from.