Two-sided stainless steel Jigger flips for additional measurements One side measures 1/3 ounce, 3/4 ounce and 1 1/2 ounce (one jigger) Second side measures 1/4 ounce, 1/2 ounce and 1 ounce Laser-etched measurements won't wear off Soft non-slip grip provides comfortable pouring Dishwasher safe The OXO Better Guarantee: If you experience an issue with your OXO product, get in touch with us for a repair or replacement. We’re grateful for the opportunity to learn from your experience, and we’ll make it better.