Owala Water Bottle $24

For Prime Day, this rarely on sale Owala 24oz FreeSip Insulated Water Bottle drops from $29.99 to $23.99 at Amazon in the colors Daybreak, Angel Food Cake, Boneyard, Offroad, and Terracotta Sunset. Even though this is a small price drop, this is one of the few times we've seen this water bottle under full price in so many colors. This is the perfect size for using with backpacks, since it fits in the side cupholder pouch without falling out. Shipping is free with Prime or when you spend $35. Otherwise, it adds $6.99.