Skyway Zero Gravity Luggage 2 Sets (6 Pieces Total) for $99.99. Note that each set contains 3 pieces and this is for 2 sets, which include 6 pieces. Shipping is $9.99 so the total comes to $109.98 shipped. Note that Costco membership is required. Otherwise, there is a 5% non-member surcharge, which is $5 for this order, making the total $104.98 shipped for non-members. These are usually $90 or much more for a set of 3 pieces.