Bundle of 2 sheers + extra straw cap Official color names are Baby and Skye 2 BKR glass bottles with silicone sleeve in sheer hot pink Baby 16 oz Little size (500ml/16oz) reusable glass bottle with a smooth, protective silicone sleeve. And Spiked Skye (sky) sheer light blue 16 oz Little size with spikes. Used, good condition. The blue one has a small scratch in the silicone on the bottom as shown in photo. Both bottles have a bit of blue marker writing on the bottom underside that has mostly wiped away with rubbing alcohol. Please check photos carefully thanks! Last photo also shows how you can get creative and put little time marker stickers on the inside to track hydration :) Lmk if you only want 1