Get the Egg Sitter Support Cushion for only $39.99 and $9.99 shipping and handling. We'll also include the non-slip Slip Cover at no additional cost. But wait - we'll double your order and send you a second Egg Sitter Support Cushion absolutely FREE! You can also upgrade your Egg Sitter to the deluxe edition which includes an odor resistant, bamboo cover infused with charcoal. Just pay a separate fee of $59.97.