The messy legal tilt between Titleist and Costco isn't likely to go to trial in 2017. Or in 2018, either | Golf News and Tour Information | Golf Digest
The Costco Kirkland Signature golf ball is back! | This is the Loop | Golf Digest
Costco Kirkland Signature Golf Balls Back in Stores – GolfWRX
Kirkland Signature Performance Plus - 1 Dozen | Premium Used Golf Balls | Golf Ball Planet
Used Kirkland Signature Performance plus – Sharp Golf Ball Co.