Kooshty Natura Bamboo Fibre Lunch Boxkooshty is a range of creatively designed alternatives to single use plastic lunch and drinkware. Bamboo is a highly sustainable material which makes our kooshty natura bamboo fibre lunch box an ideal alternative for the environmentally conscious consumer. 20. 5 ( l ) x 14 ( w ) x 7 ( h ) cm lid: bamboo base: bamboo fibre and bpa free melamine 50% bamboo fibre 50% bpa free melamine kooshty logo underneath the lunch box bulk packed as bamboo is a