‧Inner cup made of tempered glass ‧The inner cup is heat-resistant and shock-resistant higher than ordinary glass ‧ Double cup body, effectively keep the temperature of the drink ‧ Hot drinks are not hot, cold drinks are not dripping ‧ Parts are removable and clean ‧Sturdy hard cup cover for easy opening and closing and drinking ‧Increase smooth drinking holes and improve drinking comfort ‧Close cover, anti-splash function upgrade ‧Use the activity buckle to cover the drinking hole and keep it clean https://www.youtube.com/watch?v=fb5IZ85z7Kg https://c2.staticflickr.com/2/1767/41354176360_5536a42965_o.jpg https://c2.staticflickr.com/2/1765/43114951462_43dbc190b1_o.jpg https://c1.staticflickr.com/1/840/43164512821_467e6c995d_o.jpg Product specifications: Outer box size: depth 9 × width 9 × height 13.5cm Size: M (middle cup) | 9.2 × 13cm Material: inner cup|Fully tempered soda lime Outer cup|Tritan Cover | Polypropylene (PP#5) Cup ring|silicone (Silicone) Activity buckle|low density polyethylene (LDPE#4) Capacity: 340ml (12oz) Net weight: 323g Heat resistance: 120 ° C to - 18 ° C Origin: Australia Precautions: ‧ Do not use it alternately. ‧This cup is not completely enclosed. Do not place the bag when it is in a drink. ‧Please use a sponge and a neutral detergent to clean. ‧Please take care when handling hot drinks. ‧ After the glass has cracks, do not use it again to avoid the risk of cracking.