The Frio 360 Speaker Cup has a Removable Bluetooth Speaker, an 18oz Capacity, and a Thick Exterior Coating! Perfect for the Pool, Patio and Golf Course! Features: - Speaker Opener on Bottom (8 Hours of Playtime and Rechargeable) - IPX6 Water Resistant Speaker - 18 oz Capacity - Holds Ice 24 Hours (Keeps Hot for 8 Hours) - Leak Proof Lid - Constructed from 18/8 Stainless Steel - Heavy Duty Powder-coated Exterior Finish Personalization - Type your text exactly as you would like it to appear on the cup: Please check Punctuation, Spelling Capitalization. For logos, please send them in a message. A proof will be provided prior to production :)