From Silvercrest
Lids and containers are compatible with other sets from the same range Space-saving, collapsible containers made from heat-resistant silicone Clip-on lid with airtight seal Ideal for freezing, storing food and reheating Safe for temperatures from -20 to 100°C Suitable for microwaves and dishwashers Usable volume: XS: 0.35L S: 0.55L M: 1L L: 2L Size (open): XS: 12.5 x 12.5 x 6.3cm S: 13.7 x 13.7 x 7.3cm M: 16.9 x 16.9 x 7.6cm L: 20.1 x 20.1 x 9.4cm 3-year warranty