A 40 oz Tumbler Sleeve made of a 3.5 mm neoprene. Designed to fit Bestie Collection's 40oz tumbler and other popular brands like Stanley. With easy installation using two snaps under the handle, it provides protection against collisions and scratches. Plus, it's a great branding opportunity to showcase your logo. Elevate your tumbler experience with style, functionality, and customization in one sleek sleeve.