Simply Stamps is now offering customized SIC brand stainless steel drink cups. Seriously Ice Cold cups have a double wall insulation to prevent sweating and to keep your liquid ice cold or piping hot. Plastic lid is BPA free and has a tight seal with a sliding vent to easily access your drink without spilling what's inside. SIC cups are made of kitchen grade 18/8 stainless steel. Lifetime Manufacturer Warranty.