High Quality ------ Wide mouth for hydration, made of high quality material that does not affect taste. BPA-free, safe and healthy, easy to clean and maintain. Excellent Design ----- The swivel spout makes drinking easier than with other lids. Make sure the inner rubber seal is inside the lid liner before use to prevent leakage, flip the top upside down and drink with one hand. No need to unscrew the straw. Compatibility ------ Perfect for wide mouth water bottles for Hydro Flasks (12 oz, 18 oz, 21 oz, 24 oz). Suitable for cups with an opening of approximately 1.81 inches. Suitable for most. Straws can be cut to desired length ----- Standard size straw lid for standard hydraulic cylinders, simple and slim bottles, standard cold water bottles, for classic Kanteen, standard saliva ejectors and 24 ounce sink, perfect for Mobile Solutions hydration needs. Material: plastic Color: As shown Package contents: 3 x Bottle caps 3 x Straws 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 allowed measurement error is +/- 1-3 cm.