These handy storage jars have a magnetic backing, so they will attach to any flat metal surface, including most appliance and refrigerator doors. The tins feature clear lids for easy identification of contents and have convenient sift or pour lids. Idea - I storage tins for arts & crafts, paper clips, spices, keys, rubber bands, push pins and candies. With a convenient see-through lid with magnetic backing. – Ingenious storage tins for craft supplies, paper clips, spices, keys, rubber bands, pins and sweets. – Each has a twist-off lid for sprinkling and pouring. Clear lids for easy identification of contents. – The storage jars have a magnetic back so they attach to any flat metal surface, including most appliance and fridge doors. - Package includes12PCS Magnetic Spice Storages - NOTESPlease allow a 1-3 cm difference due to manual measurements. Please note that slight colour differences should be acceptable due to the light and screen.