... leakage 3,quality promised 4,free sample offered our plastic mug:250ml double wall plastic mug: basic details: *capacity:250ml;350ml *pcacking:24pcs/ctn ... 300,000pcs above. more photos: our guarantee:We manufacture our mugs to very strict standards from the highest quality materials. They ... are incredibly tough, but if one of our mugs should ever break or crack, please return it to us ...