GLASS LOCK

Containers for foodstuffs made of glass; chanhap, namely, Korean nests of boxes for storing and carrying foods, made of glass; mess-tins made of glass; containers for Kimchi made of glass; cruets, not of precious metal, made of glass; drinking troughs made of glass; thermobottles for cold water made of glass; spice sets made of glass; all of the foregoing only having function of keeping airtight