Handmade Nightmare Before Christmas Reusable Starbucks Venti Cold Cup Tumbler Coated in Glitter Epoxy Resin | Coffee Cup | Reusable Tumbler. Cup is made from vinyl, a 24 oz Starbucks cold cup, epoxy resin, and glitters. Cup comes with standard green straw. Resin can become malleable in extreme heat. Avoid leaving in hot cars and using in dishwashers.