Jumbo D20 Plush Dice Black - Rules of Play says:

Roll big or go home! This soft jumbo 20-sided dice plush is the perfect addition to casual gaming sessions. Also great for kids and as the conversation centerpiece in your next geek gathering! Made with white ultra-soft, fuzzy fabric with stitched on numbers in black. Measures approximately 10" in diameter and each side is reinforced with felt backing for improved shape retention.