Q&A: Is it double wall thermal bottle? A: No, it is single wall stainless steel bottle, not thermal bottle.
This water bottle can withstand the high temperature, leak-proof, Ideal for keeping the body hydrated during most activitiesThe bottle is solid, but the ear of the cap is weak when the bottle is fullStainless steel Material, safe for useUnbreakable portable leak-proof water bottleCreative scrub style, use for water or drinksCapacity: 350ml,500 ml,750ml, 1000mlSize:12oz /350ml: 19.5*6.5cm17oz /500ml: 22*7cm25oz /750ml: 27*7.5cm35oz /1000ml: 29*8cmMaterials: Stainless steelQuantity: 1 pcs / set Package include:1 X Stainless steel Water Bottle Notice: this is single wall water bottle. (not double -wall thermal bottle .)