The house that we used is beautiful. Sea and other houtsoorten heeft beukenhout and uitstekende antibacteriële work. We make use of 100% silicone beads. The silicone is 100% food graded, resistant to damage and damage to food, including other BPA, sulfates and other products. Siliconen voelt zacht and glad aan. It is completely recyclable as some of the materials. This means it will last a long time and last a long time.