Bonison Nylon Sleeve Coloful Assortment Protection Sweat Absorption Insulation Carrying Borosilicate Glass Bottle Holder (Pink, Blue, Black, Grey, Lime Green) (Grey, 1 Piece) Your request have been heard and we are finally offering the Bonison nylon sleeve for sale. Now you can coordinate your borosilicate glass bottle with your mood. Nylon offers great insulation at a fantastic price. When drinking cold drinks, if using Tritan Plastics or Borosilicate Glass, will aid in capturing any condensation. May not be as successful soaking up all the sweat from cheaper lower quality materials. Material: Nylon - Measures 7.5 inches tall and 4 inches wide when flattened. Fits our 18 oz Borosilicate Glass Water Bottle up to our 28 oz Flip Top Infuser Water Bottle - Guaranteed to snugly fit bottles for 2.5 to 3 in diameter. Package will include 1 Piece Bottle Sleeve: Pink, Blue, Black, Grey, Lime Green or 2 Pack Bottle Sleeves: Mixed Random 2 Different Colors Great to use indoor and outdoors. During normal use the nylon sleeve will aid in protecting your bottles from damage. However, its not bullet proof per se. Drop testing is highly discouraged. Machine washable but handwash is recommended. Handwashing preserves the life of the sleeves as in any materials that are machine washed because of the harsh detergents and rigorous cycles.