Made from Ingeo a plant-based plastic. Products made from this material are perfectly clear and sturdy, performing excellently when serving cold beverages and meals. The carbon footprint of Ingeo bioplastic is up to 75% smaller than conventional plastics such as PET and all emissions associated with the production, distribution and disposal are offset through the purchase of carbon credits. Lids are not available with this product. Suitable only for cold food samples only. Bioplastics have a 6-month shelf life from purchase and must be stored out of direct sunlight and below 35°C.