Platinum silicone - The food-grade silicone is the elite of reusable food storage bags and all Stasher bags are free from harmful PVC or latex Versatile and reusable - The durable silicone can be written on with non-permanent marker and washed repeatedly, no need for disposable travel or food bags Pinch-loc seal - The trademarked Pinch-loc seal makes this Stasher the ideal food storage container, just remove the air from your Stasher bags before sealing Dishwasher and microwave safe - This durable Stasher is easy to care for and is safe for use in dishwashers and microwaves as well as fridges and freezers Delivery scope & details - Stasher Stand Up Bag Mega, Clear, 24.1cm x 27.9cm x 3.8cm / 3L, delivered in easy open packaging made from sustainable card, pack of 1, Article Number: 816990019546, Weight: 0.35625 Pounds, Manufacturer: stasher