Amatt Silicon Coffee Cup lid for Ceramic Travel Coffee Mug

• Cup Cover BPA-FREE, Anti-dust, Spill Proof.
• Cup Covers Keep The Dust, Pet Hair and Dander-Out of Drinks.
• Made of Bpa Free Food Grade Silicone. No Smell, Durable And Safe.
• Sip Through Hole is Easy to Drink From While on The Go.
• Fit The Container Mouth with Outer Diameter Among 88mm~90mm(3.46”~3.54“).

Amatt silicon coffee cup lid for ceramic travel Coffee Mug 1. Do not recommend to use for stainless steel mug/cup. Only for ceramic, glass, plastics and paper mugs/cups. 2. If you are intended to use them on Starbucks mugs with common cup rim/mouth (straight), inner diameter require to be about 84-87mm, outer diameter about 89-92mm, thickness about 2-3mm. 3. If you are intended to use on cups with special cup rim/mouth(with an extension), inner diameter require to be approximately 86-88mm, outer diameter about 90-93mmm, thickness about 1-2mm. Note: Silicone is material with absorptivity, and it may absorb the odor of package when in transit. If you receive silicone item with a little bad smell. No need to worry, just place somewhere for one or two days and it will have an automatic release. In addition, silicone is material easily gathering dust, but easy washing as well. Please rinse the lid before or after using to keep it clean.