The full manufacturer's warranty from Callaway is only valid when the Callaway Chev18 Stand Bag - Double Strap is purchased from an Internet Authorized Dealer. We will match any Internet Authorized Dealer's best price on the Callaway Chev18 Stand Bag - Double Strap. The Callaway Chev18 Stand Bag - Double Strap may be referred to by the following terms: 642331896886, 642331896893.