This is a replacement packing for a Richell mug. I am selling one, as I am using one at home and don't need the other. I opened the package once to use one, but haven't opened it since. Please understand that this item has been stored at home. - Brand: Richell - Model Name: P-1 - Compatible Products: B1'435, B1521A, B1521B, B1404 - Material: Silicone rubber - Heat Resistance: 140°C - Cold Resistance: -20°C - Quantity: 1 piece Thank you for looking. #azazMercariProductList