Yes, you can.

The product is BPA-free. It is made of glass, plastic and silicone, whereby Kuhn Rikon uses BPA-free materials for its storage containers. This is confirmed by the high food suitability and the use of heat-resistant, safe materials.

To use the lid in the microwave, I recommend removing it first. Although the lid is made of plastic and silicone, it is safer to remove it to avoid deformation or damage. The glass containers themselves are microwave safe, but there is no specific information on whether the lid is also microwave safe. It is therefore advisable to remove the lid to ensure that it is not damaged.

Yes 3 pcs and stackable

Unfortunately, the manufacturer does not provide any information on this. Therefore, it is not possible for us to answer this question. We ask for your understanding.