Water Bottle Cap with Straw Cap Conversion Head Portable Storage and Leak Proof Accessories Features: Our soft straws are for inserting into bottle mouths Whether at home or outdoors, our baby straw water bottle cap with a straw allows busy parents and adventurous children to easily enjoy drinks without worrying about the of spillage. Our baby straw water bottle cap (with straw) has a and elastic texture that will definitely be popular among boys and girls of all ages, making it suitable for any child. Using our baby straw water bottle cap with a straw can spillage, making it for transitioning from bottle feeding to self consumption. Suitable for parents seeking convenient solutions to meet their children's drinking needs. The upper and lower parts are designed to be detachable, with a diameter of about 2.8cm for the upper part and about 3.5cm for the lower part. The detachable two in one design can be used according to the applicable bottle diameter.. Product Description: Including: 1x straws