Neoprene
acetreker
AceTreker Water Bottle Sleeve, 32 oz 40 oz Water Bottle Holder with Strap & Paracord Handle, Neoprene Insulated Carrier Sling Bag with Phone Pocket for Walking Hiking Sport-Gray Camo
【Excellent Material】Made of 5mm high-quality neoprene material, our water bottle carrier is water resistant and shockproof, ensuring that your bottles are well-protected from scratches. It maintains softness and elasticity while providing durability for long-term use. Perfect for stainless steel and plastic sports bottles in daily use and keep the water warmer or colder.