Features: Anti tarnish squares and strips can prevent discoloration of most types of metals, such as gold, silver, brass, aluminum and other jewelry, making your jewelry have a longer service life. large anti-tarnish paper labels, the size is large enough and can be cut arbitrarily. Jewelry for Protection Function: help to prevent tarnish by absorbing water for vapor and other atmospheres, keeping your jewelry shiny and bright for a long for time. How to Use: you only need to put the anti tarnish strip and jewelry together in a closed bag or jewelry box and close it, no other tools are needed, convenient to use and won'for t take too much for time or effort to protect your jewelry. Practical Gifts: these paper anti tarnish strips are suitable for your jewelry for protection, also can be applied in other crafts, they can make your craft and jewelry look more beautiful, which are for ideal gifts to your mother, girlfriend and classmates who have a lot of jewelry Specifications: Matierial:Paper Size:Approx. 5x18cm/1.97x7.09in Color:Black Package Includes: 30pcs/bag Anti Tarnish Strip note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.