Size when open: Height 16 x Width 29 x Depth 10 cm The lining has a thermal insulation sheet. Reason for the defect: As shown in the fourth photo, the seams are distorted. ⭐︎When washing, we recommend hand washing with water. Do not use a dryer or iron. ⭐︎Because it is handmade, there may be distortions or misalignments. Please understand this before purchasing.