Package content: the package comes with 20 pieces of beer bottle sleeves in 5 different colors, each color for 4 pieces bottle sleeves, each one measure 0.3 cm/ 0.12 inch in thickness; Please confirm your needed size before purchase Hard-wearing material: our bottle coolers are made of quality neoprene material, detailed stitching and reliable to use, keep your drink ice cold and your hands warm and dry even in the sun, smooth and flexible to Contact, easy to slide on and from bottles, machine washable and quickly dry, enough to you long time Classic and vibrant colors easily match your various beer bottles and add you more fun and pleasure, looks exquisite and stylish Ring zipper design: featuring a ring zipper closure, the beer bottle cooler sleeve is easy to easy to slide up and down, can attach most 330 ml beer bottles, helps insulate and keeps your beer cold, also protects your hands from low temperature Versatile applications: these neoprene bottle sleeves are suitable for occasions like birthday party, wine party, banquet, family gathering, Thanksgiving Day, Christmas parties, Year, backyard barbecue, outdoor picnic, camping, sporting, hiking and other occasions, enable you to drink your beer anywhere anytime you like Colour: as shown Material: neoprene Size: 19 x 6.5cm Package Contents: 4 x white beer bottle sleeves 4 x black beer bottle sleeves 4 x red beer bottle sleeves 4 x blue beer bottle sleeves 4 x green beer bottle sleeves Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.