About This FLEXIBLE & STRETCHABLE FIT – Made of high-quality silicone, these stretch lids expand to fit a variety of round and rectangle containers, ensuring a tight, leakproof seal. FOOD-GRADE – Crafted from safe silicone, these lids are perfect for food storage, keeping your meals fresh without harmful chemicals. VERSATILE FOR HOT & COLD USE – Designed for freezer, microwave, and dishwasher use, these lids withstand high and low temperatures for maximum convenience. AIRTIGHT & LEAKPROOF SEAL – The strong suction design locks in freshness, prevents spills, and extends food storage life while reducing the need for disposable plastic wrap. 18-PIECE SET FOR ALL CONTAINER SIZES – Includes 12 round and 6 rectangle lids in multiple sizes, fitting bowls, plates, jars, and lunchboxes for complete kitchen coverage. Round Sizes: 6cm, 9cm, 10.5cm, 13cm, 14.5cm, 18cm (65g) | 6.5cm, 9.5cm, 11cm, 14cm, 16cm, 19.5cm (100g)