Note that the mattress pad is also available in
Queen or Full for $14.88, King for $16.88, or Twin XL for $30.99.
Want it in California king? Overstock charges $37.99 plus $2.95 for shipping.
Update: It's available in California King for $16.88. Both Twin and California King sizes are currently temporarily out of stock, but can still be ordered for delivery when available.