The nylon cover provides a comfortable feeling and against hot. It makes easier to grip against falling off and effective protect glass body from damage, and fits most standard car cup holders.
Easy Carry, Leak Proof, No Spill, No Sweat. Carry purified water you can trust. Slides easily into car cup holder, bike rack or hiking backpack. Holds just the right amount. Right size opening makes it comfortable to drink from.
Material [Bottle] High Borosilicate Glass, [Cap] Stainless Steel 304