suitable for promotion gifts 1.food grade silicone 2.eco-friendly material 3. ... for oven, microwave, dishwasher,freezer 2012 promotional silicone tea bag, new silicone tea infuser, tea strainer item no.: DS103size: 18 x ... +240 degree8.Safe for oven,microwave,freezer and dishwasher use new promotion silicone + stainless steel tea bag, tea strainer