Package Included: You will receive 4 pieces of water bottle cap plug replacement, enough to meet your daily use and replacement needs. You can also share it with family or friends. Compatibility: Specifically compatible with for Stanley Quick Filp GO Stainless Steel Water Bottle, for Stanley Quick Filp GO 24oz 36oz stainless steel thermos bottle. Premium Material: Made of quality silicone, sturdy and reliable, BPA-free, hand washable and dishwasher safe, making it an ideal accessory for everyday use. Practicality: Our water bottle lid seal gasket plugs will protect your bottles from leaks or dirt, make it look like new, and provide you with a good experience. Warm Tips: Our spill proof stopper are only suitable for Stanley Quick Filp GO 24/36 oz stainless steel water bottles and will not fit any other brands or sizes. Colour:Black Material:Silicone Package Contents: 4 * Silicone Replacement Stopper Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.