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Product Description
Officially-licensed Portal Companion Cube bead, perfect for holding down any 1500 megawatt heavy duty super-colliding super buttons you might encounter. Discreet enough to be classy, but still instantly-recognizable to fans.
This bead measures 0.4 in (10 mm) per side. The hole is 0.2 inch (5 mm) to accommodate most charm bracelets or chains. If you need one with a smaller hole, have a look at this version.