USEFUL DESIGN: The bottle cover has a buckle design, you can open and close the strap, no worry about your bottle slip out of your hand, and it can keep hot drinks warm and cold drinks cold.Portable size: The bottom diameter of the bottle cover is 6.7 cm, 28 cm in height, the neoprene water bottle cover fits 500-700 ml.Wide Range of Uses: The neoprene bottle cover is suitable for outdoors such as driving, camping, swimming, fishing and other various activities, it is also easy to carry and clean.Durable material: made of neoprene material, which is light and durable, good insulation and comfortable to the touch, very convenient to wear outdoors.Quantity: Comes with 5 pieces of bottle sleeves in 5 different colors, reasonable quantity for you to use Colors: black, red, blue, navy blue, rose red. Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.