Specifications: Double layer vacuum insulation, made of stainless steel material, durable and safe. Rust-resistant, does not absorb odors or bacteria, maintains the taste of the drink.
To calculate the overall star rating and percentage breakdown by star, we don’t use a simple average. Instead, our system considers things like how recent a review is and if the reviewer bought the item on Amazon. It also analyzes reviews to verify trustworthiness.
