Heated under blanket, new and unused

Dreamland Snowed In heated under blanket, Double, dual control. Cotton cover.
New and unused, but cannot return as I cut the security tag to spread it out on the mattress. Bought wrong size due to non-standard mattress, cost £130 from Boots.
These are brilliant, so warm and controllable, and are much more comfortable than many electric blankets.
I will be buying a different size. Read more