Double-layer glasses, heat resistant, more durable. Clear glass cup and mug, beautiful design, can be used as home decoration. Can be used as teacup, water cup, coffee cup and so on, nice life helper. Ideal birthday or festival gift for your families and friends. Different sizes satisfy your different needs. size: 250 350 450ml Details as shown All products are blown manually, and each product is different 1. Hand-blown glassware has individual tiny bubbles, streamline marks, and hand marks, etc. All are normal phenomena, which are the difference between manual and machine processing