<b>Protective Silicone Boot for 8oz - 40oz, Sport Water Bottles Anti-Slip Bottom Sleeve Cover for Wide and Narrow Mouth Bottle, BPA Free</b><br><br><b>Product Description:</b><br>Material: food-grade silicon<br>Color: white, black<br>Size: <br>①Fits 8 oz Boston glass bottle.<br>②Fits 12-24 oz bottle:<br>12 oz Standard Mouth bottle<br>12 oz Wide Mouth bottle<br>16 oz Wide Mouth bottle<br>18 oz Standard Mouth bottle<br>18 oz Wide Mouth bottle<br>20 oz Wide Mouth bottle<br>21 oz Standard Mouth bottle<br>24 oz Standard Mouth bottle<br>③Fits 32-40 oz bottle：<br>32 oz Wide Mouth bottle<br>40 oz Wide Mouth bottle<br>Quantity: 1pc protective silicone boot<br><br><b>Features:</b><br>①food-grade silicon, which is BPA BPS free, not contain hazardous chemicals.<br>②Anti-slip bottom sleeve boot protect your bottle from scratch and dent.<br>③reduce noise when putting down bottle.<br>④perfect design makes the boot easy to put on and take off.<br>⑤Protective silicone boot compatible with hydro flask and more water bottles from 8oz-40oz.<br>⑥If you don’t like it for any reason then simply return it for a full refund or replace a new one.