1. Extra 20% Off Select Wolf Mattresses from hayneedle. Coupon Code: TJ-2534. Price: varies. Discount: 20%. Categories: Matraces, Bedding, Bedroom. Coupon Rating: decent. Store Rating: 4 stars out of 5. Coupon Recommendation: recommended. Available Until: limited time. Thoughts: Limited time offer to get 20% off Wolf matraces at hayneedle, check the store for details.