Our coffee tumbler is made from high-quality,Food-grade Premium PS Material,safe&healthy,100% recyclable,this tumblers is very Solid and sturdy, Charming, Classic cups with lids is perfect for water,iced coffee,Juicing, Smoothies,soda, Tea,whice is very suitable for parties cup,like a bachelorette party and birthday party or outdoor party and personalized them with your DIY.