Each one is made from neoprene material that helps to keep drinks colder and hands warm and dry.This stylish bottle cooler features a zippered closure,which gives bottles a nice look,distinguishing them from their suitless counterparts.Customize with your company logo for a great brand publicity. Measuring 7.48*2.79 inches, this custom neoprene bottle cooler sleeve holder with zipper. Usage Scenarios: Office supplies, school stationery, corporate promotions, trade show giveaways. Customization: Logo printing available with multiple packaging and color options. Product Highlights: BPA-free, leak-proof, travel-friendly.