Steel frame specially shaped to cling to common 64oz glass growlers with diameters of 4.75-5". These frames are very sturdy and will hold on tightly while on the trail. Powder coated to protect from corrosion.

Individually sewn neoprene sheaths envelop the frame to provide a soft, smooth texture that protects the glass and it's paint job from scratching and damage. Sheaths are available in 10 colors and are replaceable.