Alessi - Airtight jar Gianni - Black - Thermoplastic resin - Designer Mattia Di Rosa; Alessi Airtight jar Black Plastic material. Dimensions:Ø 10,5 cm x H 12 cm - Volume: 70 cl. New for 2009 the limited edition Alessi Achromatics series takes a monchromatic look at perennial Alessi favourites.