Wine Rocks: BlizeTec Reusable Wine Cubes & Chilling Stones (4pcs) CHILLING MAKES EASY: BlizeTec wine rocks give you the flexbility to control your drinking experience. You can select the drops according to your preference. Recommended 4 pc for 1/2 glass of wine and 6 to 8 pcs for full glass of wine for best chilling effect. The chilled rocks can last for 30 minutes for a glass of wine. PRACTICAL YET MAINTENANCE FREE: The wine stones are elegantly designed in sphere shape. Made of quality food grade 304 stainless steel, they are safe, reusable, odourless and tastless. Each package contains 4 pcs of rock with an unique velvet gift bag. Recomended best value investment with 2 sets or 8 pieces. ALL IN ONE TOOL: Not just wine, the stones can be used on whiskey, spirit, vodka, scotch and any drink that requires ice. Unlike ice mold, BlizeTec ice cubes won't dillute the flavors and aromas of your drink but only making them more tasteful and enjoyable. EASY TO USE AND STORE: The stones can be easily cleaned with water after use. To use them, just freeze the rocks for 2-3 hrs, and place them in your glass, pour your wine or favorite drink into the glass, wait for 10-15 minutes, then start enjoying your drink. LIFETIME WARRANTY: BlizeTec wine rocks(BT398WR) are suitable for indoor and outdoor celebration - ideal gift set for wine enthusiat. The product comes with a lifetime warranty with proof of purchase ONLY directly from Seller BlizeTec on Amazon (** NOTE:** Beware of counterfeit, BlizeTec is TRADEMARKED and the SOLE distributor of the original wine rocks.)