Costco Sale: Sleepcell Premium Coolvent Sleeping Bag $29.97

*UPDATE* 8/11/15. Costco has the Sleepcell Premium Coolvent Sleeping Bag on clearance for $29.97, while supplies last. That is $10.02 off Costco’s regular price of $39.99. While supplies last. This was spotted at the Covington, WA Costco. This item may not be on clearance at all locations. Clearance prices may vary by location and may drop further without notice. This product is in select stores for a limited time…