Popsugar Living Gifts Under $100 Best Gifts Under $100 100 Genius Gifts So Good, You'll Never Guess They Cost Under $100 12 December 2018 by Krista Jones View On One Page Photo 31 of 100 ADVERTISEMENT () Start Slideshow Share This Link Copy ← Use Arrow Keys → 31 Hidrate Spark 2.0 Smart Water Bottle This Bluetooth-enabled Hidrate Spark 2.0 Smart Water Bottle ($45) connects to your phone and tracks your daily water intake. Hidrate Spark 2.0 Smart Water Bottle $45 from urbanoutfitters.com Buy Now Previous Next Start Slideshow Gifts Under $100Gifts For WomenGift GuideGiftsHoliday