★ WECK Silicone Airtight Lids, Set of 3, Silicone Caps ★ Diameter: 10.3cm x H1.15cm ★ Material: Silicone ★ Heat resistance: 230 degrees Celsius. Dishwasher and microwave safe. When using in the microwave, slightly offset the lid and do not seal completely. ★ Authentic, Clear ★ Brand new, unused ★ Slight color variations (yellowish) due to the manufacturing process, excess material on the folded-over part of the underside. Bubbles, black/brown specks, and initial scratches may be present. These are not defects. ★ Price is firm. If you would like to add more, they are 358 yen each. S and M sizes are also available, thank you.