The Ultimate Tabletop Gaming accessory!
Inspired by your favorite tabletop gaming RPG's, the grid pattern makes gaming FUN and EASY! Visualization of the battlefield absolutely helps when deciding whether to use the ranged weapons, creep in for the sneak attack, or use up that extra spell slot. Even when you decided to disregard the damage area and cast Fireball anyway, the extra luck from the dice along the edges of the blanket, will improve your chances as you roll up the stats and fill out a new Character Sheet.
Bring this to your next gaming session and the DM is guaranteed to hand over the inspiration dice AND add +2 to all Charisma Checks and Saving Throws.
"More Useful than a Bag of Holding!" -a quote that will eventually be said by an actual user at some point in time, probably a Bard, but definitely NOT a Rogue.