‧ Made of tempered glass ‧heat resistance and shock resistance are higher than ordinary glass ‧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=24b86ePk93o https://c1.staticflickr.com/1/922/42260226985_c6f7710258_o.jpg https://c2.staticflickr.com/2/1805/42446421154_a693f5e258_o.jpg Product specifications: Outer box size: depth 9 × width 9 × height 12.5cm Size: M (middle cup) | 9.2 × 12.2cm Material: Cup|Fully tempered soda lime Cover | Polypropylene (PP#5) Cup ring|silicone (Silicone) Activity buckle|low density polyethylene (LDPE#4) Capacity: 340ml (12oz) Net weight: 270g 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.