the Syrah Wine Glass is Part of the Fully Tempered Stemware Range., This Glass is Fully Tempered From Rim to Foot.These Glasses Are Durable & Reliable & Are Ideal for Hotels, Bars & Restaurants.The Syrah Wine Glass Are Thermal Insulated Shock Tested & Resistant to 135 Degrees & Can Withstand Changing From Hot to Cold.They Are Extremely Strong & Durable, Shock Tested & Capable of Industrial Cycles , While Maintaining Clarity. Minimum Quantity: 48