![Fill plastic water bottles a quarter of the way full and lay on the sides and put into freezer. This way when frozen you can fill with water and have ice cold Fill plastic water bottles a quarter of the way full and lay on the sides and put into freezer. This way when frozen you can fill with water and have ice cold](https://external-preview.redd.it/SS2hQvg5nxJ0VmRH5QZsBJ_ohyDa5hEM29px5kciRs0.jpg?width=640&crop=smart&auto=webp&s=85a139982d6c0309bc06bfc168b20b32de618028)
Fill plastic water bottles a quarter of the way full and lay on the sides and put into freezer. This way when frozen you can fill with water and have ice cold
![Amazon.com: Nalgene Tritan Wide Mouth BPA-Free Water Bottle, Glows Green, 1 Quart : Nalgene: Sports & Outdoors Amazon.com: Nalgene Tritan Wide Mouth BPA-Free Water Bottle, Glows Green, 1 Quart : Nalgene: Sports & Outdoors](https://m.media-amazon.com/images/I/71FA9Joo6eL._AC_UF1000,1000_QL80_.jpg)
Amazon.com: Nalgene Tritan Wide Mouth BPA-Free Water Bottle, Glows Green, 1 Quart : Nalgene: Sports & Outdoors
![Amazon.com : Nalgene BPA Free Tritan Wide Mouth Water Bottle, 32 Oz, Gray with Black Lid : Sports Water Bottles : Sports & Outdoors Amazon.com : Nalgene BPA Free Tritan Wide Mouth Water Bottle, 32 Oz, Gray with Black Lid : Sports Water Bottles : Sports & Outdoors](https://m.media-amazon.com/images/I/715SE6ZgTjL._AC_UF1000,1000_QL80_.jpg)