The guarantee covers most general manufacturing and material defects. The warranty is not valid in the following cases: • The product is damaged by inheritance or improper use (such as a hole or damage from a fall) • Damage caused by repairs or adjustments made by a third party without previous ones permission from MOOIEMERKEN.NL. • Damage or disruptions caused by fire • External changes caused in normal use of the product, such as discoloration of the product due to excessive use washing, etc.