Tupperware Tp - 680 Super Storer Set of Three Large Capacity &ndash; 5.0 Ltr Medium Capacity &ndash; 3 Ltr Small Capacity &ndash; 2ltr. It has textured surface making it non slippery It has a classic round seal thereby making it airtight and liquid tight It saves space due to easy stackability It has sheer base which allows easy identification of content Comes in set of three large capacity  5.0 ltr medium capacity  3.6 ltr Small capacity  2.5ltr.