How much fun are these!? Right now on Jane, you can get one of these Super Soft Large Glow in the Dark Blankets for Only $29.99 Shipped! (Reg. $65). Adults, teens and kids will love these fun and unique Glow in the Dark Blankets. Images in blankets will have a nice, soft glow and glows up to 8 hours when exposed to bright light. Blankets are super soft and are sized extra large at 60 x 80 inches, large enough to cover a full-size bed.