With a domed lid and round shape for space saving storage in the fridge or pantry, this versatile Lock & Lock Onion Case container has a 300ml capacity and a clear view of contents. It has a secure four tab locking system with a silicone seal which is completely airtight and it will keep your onions fresh for longer, sealed away from other items in your pantry. The patented tab locking system has been extensively tested to deliver secure closure with snap-proof and break resistant strength. Should you use it to gently heat in the microwave be sure to release all four locking tabs re prevent a build- up of pressure and wash your Lock & Lock in the dishwasher as necessary. Collect the space-saving and stackable styles in this Lifetime Warranted range.