Name: Silicone Folding Fresh-keeping BoxMaterial: silicone, environmentally friendly PPExtra large: net weight 250G; Size: length 21* width 12.5* height 7.5cm, about 1200mlLarge: net weight 180G; Size: length 18* width 11.5 height 7.5cm, about 850mlMedium: net weight 135G; Size: length 16* width 10* height 6.5cm, about 550mlSmall: net weight 100G; Size: length 12.5* width 9* height 6.5cm, about 350mlFeatures: healthy and environmentally friendly, easy to fold and storePure manual measurement, there may be slight errors, please forgive me.Food Grade Silicone Features:1. Odorless, high transparency, no yellowing.2. Soft, good elasticity, kink resistance and no deformation.3. No cracking, long service life, cold resistance and high temperature resistance.4. Has higher tear strength and good performance.Tips: Please pull up the valve when the crisper is heated, and keep it at about 120 degrees.