Measuring 1.7*1.7*4.1 inches,this squishy and squeezable is made from polyurethane foam,which is useful to ease your mind.Its great for aquariums, beach resorts, surf shops and more.Customize each one with your brand logo or name or marketing message for branded promotion.This safety tested item is not intended as a toy for kids under 3 or pets. Made from pu material, measuring 17*1.7*4.1 inches, this custom simulated milk bottle stress ball. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization available: Print your logo or customize packaging and color schemes. Product Highlights: BPA-free, leak-proof, travel-friendly.