180x100cm Foldable Baby Play Mat Puzzle Mat Educational Children Carpet in the Nursery Climbing Pad Kids Rug Activitys Game Toys

Size:
For length and width: because manual measurement will have 1-5cm error
For thickness: because manual measurement will have an error of 0.1-0.3cm
please don't buy , if you mind it . thank you
Folding lines:the mat is foldable and portable , so there are such design of folding lines.
it is not quality problem, please kindly understand.
thank you