The equivalent of "our products are vacuum silicone cover technology" is plastic non-vacuum lid. choose quality, not cheap. our storage containers are square in shape and have large volumes. it is anthracite color. product dimensions: 0.65 lt 10x10x9.5 cm1.3 lt 10x10x16.5 cm1.9 lt 10x10x24.5 cm it is ultra resistant to environmental factors and impacts. it does not contain bpa, is produced from first quality raw materials. it is suitable for contact with food. you can stack it on top of each other. . it saves space. you can see the food in its transparent structure from the top and side. Improved version for clearer understanding and better search visibility. Suitable for users seeking detailed and reliable product information.