[Prime] 64-Oz Powcan Insulated Stainless Steel Water Bottle w/ Straw & Spout Lid (Midnight) $17.99 + Free Shipping

You’ll get a 64‑oz stainless‑steel bottle that keeps drinks cold or hot for hours thanks to its double‑wall insulation. The built‑in straw and spout lid let you sip without removing the cap, which is handy when you’re on the move.

This size works well for hikers who need a lot of water, office workers who want coffee to stay warm through meetings, or anyone packing lunch for a day out. Fill it once and you won’t have to refill frequently.