New Wave Enviro Eco Lunch Kit (3-Piece) 3 piece eco-friendly, reusable Lunch Trio: Bamboo Bag, #304 grade stainless steel Food Container and 12 oz. Bottle with the patented Flip N Sip cap Reusable bag made 100% from bamboo -- light as a feather, strong as steel, soft as silk Reusable Food Container and lid made from 100% #304 food grade stainless steel, for solid foods 12 oz. Bottle made of #304 stainless steel with a BPA Free Flip N' Sip Cap CPSIA Tested Safe