When appearance, product visibility and recycled content are your priorities, choose Bare Eco-Forward. Crack- and shatter-resistant, sturdy and durable RPET provides increased functionality. Crystal-clear, almost glass-like in appearance, they're perfect for just about any non-frozen cold beverage: iced coffee, lemonade, soft drinks and more. Supporting the use of post-consumer recycled content is a key tenet of the SOLO Eco-Forward platform. Eco-Forward offerings include products made with recycled PET water bottles and food containers as well as paper collected from offices and school recycling programs. ProPlanet™ Seal—This product earns Dart's ProPlanet™ Seal because it contains at least 20% post-consumer recycled content. Cup Type: Cold Cup; Interior Volume Capacity: 16 oz to 18 oz; Material(s): Recycled Polyethylene Terephthalate (RPET); Material Type: Plastic.