SIZES ---- Mouth Diameter: 4 Inches (10cm), Height: 1.2Inches (3.1cm), Capacity: 4 Ounce.MATERIAL AND PAINTING ---- Lead-free & Non-toxic Porcelain, Fired In Kiln By 1380 Degree Temperature, Sturdy And Durable. These Series Can Be Used In Dishwasher, Microwave And Oven. Four Classical Blue Patterns Are Painted By Stamping And Then Glazing. Perfect Painting Will Never Be Fading.GIFT AND TIGHTENING PACKAGE ---- 4 Pieces With 4 Patterns Come In With Gift Box, Nice Choice For Housewarming，New Year, Christmas And Cooking Lover. Each Bowl Is Packed In Pearl Cotton Bag And Every 4pcs Set Is Separated And Combined Very Well By Two Strong Paper Boxes. Zero Risk In Transit.WARRANTY ---- We provide a 30-day manufacturer’s warranty on all our products. In case of defect or breakage, please send us message. You will get our response within 24 hours. Refund and replacement are permitted during this warranty time.