This is called the Little Spiked bkr. Our original glass water bottle with a soft spiked silicone sleeve inspired by a love affair with everything spiked at Barneys NY. Our little spiked water bottles are not only très chic, they also provide life-changing grip for people with mobility issues and are better than a fidget spinner for anxiety. We've heard they've made a huge difference in the lives of many, from cool grandpas to people with rheumatoid arthritis and mild cerebral palsy. The spikes are both firm and soft and feel great in your hand. The Little holds up to 500ml (16 oz) and fits in your tote bags, your backpack, your travels, and your life for everyday drinking.