Made of 1/8" (3mm) neoprene material. Collapsible bottom, folds flat for storage. Seams on both sides (2 seams) with visible zig zag stitching up the sides. Machine washable. Upgrade from cheaper foam material. Fits 16 oz. Mason Jars. Also fits beer/soda can shaped glasses.

• Collapsible bottom, folds flat for storage
• 1/8" (3mm) neoprene material
• 5.25" W x 5.375" H ( Flat ) - Sized to fit 16 oz jars @ 5.25" H x 3.125" Diameter
• Prevents surface damage from condensation
• Keeps drinks colder longer and hands dry
• Straw & Jar not included
• Use or decorate with htv, screen print or sublimation