DESCRIPTION : The silicone stretch lids are made of 100% high-level food grade silicone, non-toxic, BPA-FREE, A grade food silicone material practical and durable for long time use, easy to keep clean, safe for microwave, dishwasher, fridge and freezer. SPECIFICATION: Material: Food Grade Silicone Quantity : 6PCS Temperature Range : -40 ℉/-40℃ to 450℉/230℃ PACKAGE INCLUDES: 6.5cm/2.56inch Round Silicone Stretch Lid X 1 9cm/3.54inch Round Silicone Stretch Lid X 1 11cm/4.33inch Round Silicone Stretch Lid X 1 14cm/5.51inch Round Silicone Stretch Lid X 1 16cm/6.30inch Round Silicone Stretch Lid X 1 20cm/7.87inch Round Silicone Stretch Lid X 1 WARRANTY: 1.We adhere to Amazon Return Policy. 2.Within 30 days, any quality problems, we will take full responsibility. 3.Any damages happened during shipping period, we will burden the cost.