Portable Hydration - Enjoy fresh, uncompromised water anytime and anywhere with this lightweight and travel-friendly glass water bottle with a bamboo lid from MAYU. Available in 3 different sizes. Available in 3 different sizes. | Plastic Free Design - The MAYU water bottle is equipped with a naturally renewable bamboo lid with a stainless steel inner and 100% Type 1 Borosilicate Glass to keep your precious drinking water away from contaminating plastics and harmful BPAs. | Refillable & Reusable - Reusable glass water bottles reduce single-use waste and are an earth-friendly alternative to plastic water bottles that end up in landfills. Our bottle features a wide mouth for easy no-spill filling and a silicone O-ring seal to retain freshness and avoid leaks. | Robust Construction - Constructed from heatproof borosilicate glass, which is both lightweight and reassuringly shock resistant, this ultra durable glass travel tumbler will be a trusted water vessel and leak-proof travel companion for years to come. | Ergonomic design fits perfectly in hand, our bottles also fits easily in most backpacks and car cup holders.