For maximum quality, re-tighten the screws when necessary. You can remove the dampers if you don't need to stack the chairs. This chair has been tested for public use and meets the requirements for safety, durability and stability set forth in the following standards: EN 16139 and ANSI/BIFMA x5.1. Seats 4.
Table and 4 chairs: Wipe clean regulary with a detergent for plastic.
Underframe/table top: Wipe clean with a cloth dampened in a mild cleaner. Wipe dry with a clean cloth.
The high-gloss surface reflects light and gives the surface of the furniture a vibrant look. You can stack the chairs, so they take less space when you're not using them. You can start using the chair immediately because it is ready assembled. http://www.ikea.com/id/en/images/products/oppeby-backaryd-janinge-table-and-chairs__0445243_PE595670_S4.JPGOPPEBY/BACKARYD / JANINGE Table and 4 chairs, white, yellowhttp://www.ikea.com/id/en/catalog/products/S29184051/291.840.51IKEARp 6.333.000