The Double Wall Insulated Protein Shaker by Oasis is the perfect hydration solution for sporting events, travel and more. Featuring a leak-proof screw in lid with easy sip mouthpiece, internal moulded capacity measurements, removable quiet mixer and built-in carry handle. The bottle harnesses technology to significantly reduce heat transfer by conduction or convection. This technology prevents condensation from building on the exterior when storing cold drinks. Made from quality 18/8 grade stainless steel inside and out, durable powdercoat finish. Oasis Drink Bottles are highly-resistant to rust, are odourless and built to last a lifetime. The bottle is convenient and portable. Perfect for any fast-paced lifestyle all year round, while being an environmentally conscious alternative to plastic bottles. BPA-free. PBS-free. Phthalate-free. Handwash only. Capacity: 700ml.