These glass flasks in leather pouch are made from soda lime glass (soda-lime glass is the most common form of glass produced. It is composed of about 70 percent silica (silicon dioxide), 15 percent soda (sodium oxide), and 9 percent lime (calcium oxide), with much smaller amounts of various other compounds.) The glass thickness varies (it's thicker at the bottom for stability) but is thick enough to withstand normal use for many years. The screw-on lid/cap is made of food-grade stainless steel with an added silicon gasket to prevent against accidental leaks. The pouch is made from top-quality split cow leather and not only adds a layer of protection but is stylish and looks great while doing it. 8oz measures 82.8mm*42.7mm*170mm (3.26 x 1.68 x 6.69) with pouch and cap weight: 347g (.765lbs) 6oz measures 76.8mm*39.8mm*157mm (3.024 x 1.567 x 6.181) with pouch and cap weight: 290g (.639lbs) 4oz measures: 65mm*34mm*137mm (2.56 x 1.34 x 5.39) with pouch and cap weight: 241g (.531lbs)
Daily Cleaning: Use a soft brush or damp cloth to gently wipe away dirt. Avoid harsh chemicals. For mesh areas, use diluted mild detergent and a soft brush.
Drying: Air dry in a cool, shaded place after cleaning. Avoid direct sunlight or high heat, which can cause fading and glue deterioration.
Storage: Stuff with paper to maintain shape when not in use. Store in a dry, ventilated area to prevent mold. Rotate between multiple pairs to extend lifespan.
Usage Notes: Designed for basketball. Not recommended for hiking, long-distance running, or other specialized sports where different performance features are required.
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