Stojo Collapsible Cup, Silicone, Travel Mug, Reusable, Leak Proof Lid, 12 oz, Orange ULTRA PORTABLE REUSABLE CUP COFFEE. Collapsible cup expands. Coffee Cup has 3.5" diameter and is only 2" thick when collapsed. 12 oz cup. SILICONE CUP breaks down for easy cleaning. Dishwasher and microwave SAFE. Mugs made from SAFE, RECYCLABLE materials. No BPAs, phthalates, leads or glues. FOOD GRADE SILICONE CUP AND STOPPER. Coffee mug has a POLYPROPYLENE lid and heat sleeve. THERMAL POCKET CUP and travel mug is LEAK PROOF.