Smart Solution : 3-in-1 vent settings to keep your fresh food fresher 1 Vent, 3 settings - Heavy Venting - Medium Venting - Light Venting The smart vent system with slider allows control of air-flow so vegetables and fruits can 'breath' and kept fresher longer Capacity 1.8L Dimension 19.0cm(L) x 14.0cm(W) x 13.5cm(H) Capacity 4.4L Dimension 28.5cm(L) x 19.0cm(W) x 13.5cm(H)