There are many great Alternatives that keep Water fresh and cold. Clay Alternatives are cooling the Water through water vaporization. https://moreclaylessplastic.org
Girl drinking from a Botijo
How Clay cools your Drinks
A Clay Pot keeps Water cool
Mitticool even makes a Clay Water Filter
Carry your Water in a Clay Bottle to keep it cool
Cool your Wine – Water with Terra Cotta
1 Make two round-shaped notches opposite each other on the rim’s gallery. Smooth and refine the cut out areas.
2 Score and slip to attach two small balls opposite each other on the underside of the lid. Shape the balls into points.
3 Carve out a notch on the rim of the lid between the added balls of clay for a drinking hole.
4 Attach a handle exactly between the notches in the gallery. Attach the bottom of the handle 7 cm above the foot. via Ceramicartsnetwork