Each size has dropped about $2 since our mention a month ago and is now at least $9 off. Buy Now at Walmart Tips Opt for in-store pickup to avoid the $5.99 shipping charge. Check out more deals and gift ideas under $25. Features Twin or Twin XL for $9.39 ($9 off) Full for $10.59 ($9 off) Queen or King for $13.59 ($11 off) California King for $15.39 ($13 off)