The Maars Anchor 10.375“H x 3” Diameter is a durable and stylish 17oz double wall 18/8 stainless steel thermal bottle. Copper vacuum insulation. Keeps your drink fresh and retains desired temperatures (hot ~12h, cold ~24h). It comes with a threaded stainless steel twist-on cap that’s tightly sealed to prevent leakages. BPA, lead and phthalates free. Hand wash recommended.