Mugzie Ford Mustang White Pony Mini Travel Mug with Insulated Wetsuit Cover, 12 oz, Blue 12 Oz Stainless Steel Travel "Mini" Mug covered with water-proof, neoprene wetsuit material Hand-sewn fabric cover is made from 1/4 inch closed-cell neoprene that is covered with soft, water-proof polyester fabric Stain-resistant cover is printed in hi-resolution and has full-wrap coverage. Spill resistant lid and a non-skid bottom Cushioned cover affords a secure grip and eliminates condensation and sweating. Fits in most car cup holders and the counter-weighted bottom provides stability. Bottom diameter is 2 3/4 Inch Made in the USA