Size description - The size of a 600ml cup is about D 86.5x H 120mm, the size of a 1050ml water bottle is about (D) 84.4x (H) 220mm, the total weight is about 375g, the cup is about 138g, and the water bottle is about 237g. It is very suitable for a person to travel outdoors. Both the water bottle and the water cup are single-layer design, which can be directly burned with an open flame. The strong Single Wall construction - It can withstand direct fire or can be placed directly in coals for the purposes of boiling/disinfecting water. Due to the stable chemical properties and strong corrosion resistance of pure titanium, the service life of pure titanium water bottles is longer and less prone to damage. Ultra lightweight combination - The 1050ml Bottle & 600ml Nesting Cup Set were designed so the bottle nests inside the cup for convenient and compact storage. The wide-mouth design - It can allow you to easily obtain water from shallow water pools, providing far more opportunities to procure water if necessary. The strong Single Wall construction - It can withstand direct fire or can be placed directly in coals for the purposes of boiling/disinfecting water. Anti-leakage design of water bottle - It adopts internal thread structure, built-in silicone ring, super seal, prevent water leakage. Easy to carry - It adopts internal thread structure, built-in silicone ring, super seal, prevent water leakage.