Glass Whiskey / Spirit Decanter and 4 Rock Glasses Set - Free Personalization Set Includes 1 Decanter and 4 Rock Glasses All 5 pieces come engraved with a single initial of your choosing. Rock Glass Size: 3-1/2" tall; holds 9-1/4 oz. Decanter Size: 9" (H) x 3-1/2" (W); holds 34 oz. Provide Single Initial to engrave in Gift Message section during checkout