This chemical flask is the perfect over the top promotion for reaching new customers and clients!Ideal for any business PMS is avilable.Better for science department and education campaign. They can be squeezed to relieve stress, tossed or displayed just about anywhere.More information, please send your detailed request for quotation. Made from pu material, measuring 2.75*2.16 inches, this custom chemical flask stress ball. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. We offer logo printing and full packaging customization. Product Highlights: Portable, durable, practical for daily use.