Pressure-fitted insertable drinking spout adapted for varying bottle neck sizes

A drinking cap to dispense liquid from and to reseal any of a plurality of bottles having bottle necks of varying sizes, comprising:

• a sealing portion of the cap adapted for sealing a bottle, the sealing portion having a cone shape with a first diameter on a lower portion and a second diameter on an upper portion that is larger than the first diameter, the sealing portion being adapted for a pressure fitting with the lower portion into a bottle neck of one of the plurality of bottles having bottle necks of varying sizes, wherein the lower portion fits deeper into a bottle neck of a larger diameter than a bottle neck of a smaller diameter for pressure-fitting the bottle necks of the large and small diameters with the same cone-shaped portion of the cap;
• a sipping portion of the cap adapted for drinking, comprising a first end and a second end, the first end attached to the upper portion of the sealing portion, and the second end having a plurality of holes to restrict the flow of liquid from the bottle having a third diameter that is smaller than the second diameter of the upper portion of the sealing portion;
• an attached cover of the cap adapted for closing the sipping portion, the attached cover being flexibly connected to the sealing portion with a connector long enough to reach the sipping portion, the attached cover pressure fit over the second end of the sipping portion to prevent liquid from spilling through the plurality of holes;
• and
• a water purifier component having a first end that connects to the lower portion of the cone shaped portion allowing purification of liquid immediately before being consumed through the sipping portion.