Product Name: Stainless Steel Double Wall Coffee Mug 310ml Model NO.: WM-139-SP Color: Unicolor Fancy: Printed Style: Simple Cup Accessories: with Cover Capacity: 310ml Feature: Double Wall Usage: Beverage, Tea, Water, Coffee Quality: Excellent Trademark: Rico Transport Package: Egg Crate, White Box, Color Box Specification: SGS Origin: China (Mainland) Product Description Double wall construction keep tea, coffee, milk, beverage and etc. hot or cold for longer. Wide mouth easy to put an ice cube inside, also easy to clean up. Fits in most of car and truck built-in drink holders. Convenience for party, office, school and even in the house.