The Ocean Bottle Obsidian Black 500ml Smart Eco-Friendly Bottle is a reusable water bottle made from recycled plastic, silicone rubber, and recycled stainless steel. It features a screw-on lid and is BPA-free, making it safe for personal use. The sleek black colour adds a stylish touch to this eco-friendly bottle, which is perfect for staying hydrated while on the go. Produced in China, this 0.5 litre bottle is a practical and sustainable choice for those looking to reduce their plastic consumption.