You will have endless fun creating your own balloon weights for your next celebration using the Balloon Weight Box Metal Die Set by Tonic Studios. The package includes one die that measures approximately 8" x 11". This die works with most A4 die cut systems, including the Sizzix Big Shot Plus, Craftwell Cut N' Boss, and the Spellbinders Grand Calibur (all machines are sold separately). Please note that additional spacer plates, acrylic mats or shim may be required depending on the die cutting machine used.