Swing Top Glass Bottles 32oz / 1 Litre - CERAMIC TOPS - Giara Glass Bottles With Stopper Caps - Flip Top Water Bottles - Clear [4pk Set] by Otis Classic Computers & Office Supplies 2 times testing: ① 100%

2 times testing: ① 100% function testing after finish production

and easy to carry

The filter screen is easy to disassemble and clean

Hybrid injection eartips (3 sizes: S/M/L) for great noise isolation and comfort

BPA-free collapsible pouch for personal hydration

Swing Top Glass Bottles 32oz / 1 Litre - CERAMIC TOPS - Giara Glass Bottles With Stopper Caps - Flip Top Water Bottles - Clear [4pk Set] by Otis Classic Computers & Office Supplies 2 times testing: ① 100%CERAMIC CAPS Elegant glazed ceramic caps, no cheap plastic here STAINLESS STEEL CLOSURES Thick and durable 430SS wire won't rust like tin HEAVY DUTY CLEAR GLASS Rated to 4 bar 58psi, ideal as 2F kombucha bottles FREE REPLACEMENT GASKETS Full set of 4 replacement silicone gaskets CHALKBOARD LABELS & PEN: 18 chalkboard labels and a liquid chalk pen