WEIGHT :* 11g-12gMATERIALS :* Metal Coated Flat* Perfect to hold balloons for all occasions, birthday parties, special event,s and carnivals* Premium quality materials proven and tested for their durability and functionality.WEIGHT NEEDED FOR BALLOONS REFERENCE :* 10 inch Latex Balloon = 10g* 12 inch Latex Balloon = 15g* 24 inch Latex Balloon = 42g* 36 inch Latex Balloon = 340gWHAT IN THE BOX :* Package Includes x 10pcs Balloon RingsNOTE :* Due to monitor differences, actual colors may vary slightly from what appears online* Please allow 1-3cm differences due to manual measurement