The 7 Piece container set from LocknLock is waterproof and 100% airtight, this storage set keeps all your essential items together. They can be stacked together perfectly for ideal storage, the flexible silicone seal guarantees that they are airtight and the 4 clip fasteners are patented and guaranteed for life.7 Piece Container Set FeaturesLocknLock 7 Piece Container Set1 box of 232 × 165 × 162 mm; 2 boxes of 205 × 134 × 52 mm; 2 boxes of 135 × 102 × 52 mm; 1 box with diameter 101 × 44 mm; 1 box with diameter 89 × 43 mmStack together100% airtightWaterproofBPA free4 clip patented fastenersSilicone sealFlat lidsLockNLock's Ref.MPN: HPL829SF07Colour: ClearSizes: 7 PiecePM Ref: 2102480