[Maintenance Recommendations] Daily cleaning only needs to be wiped gently with a rag. It can be left for a few days to ventilate when delivered, we guarantee that the paint used is environmentally friendly and safe. Also, please do not hang on the roof to play.Standard British single mattress with a maximum thickness of 15 cm or less is recommended to use. Unpaid Item will be closed after 5 days. All charges for return are to be paid by the customer. Warehhouse in US, UK, DE, FR. 12:00AM-20:00PM (Beijing Time) from Saturday & Sunday. Any message for us will be replied within 24 hours.