Und konsequenterweis auch die Beschreibung des verwendeten Schaumstoffs um das Center Insert zu Polstern:

2-EO Density Volara - 1/4" Thick Colsed Cell Foam

The 2-EO 1/4" Volara is a MUCH stronger and Softer foam compared to the regular 2-A 1/4" Volara. It is blended with 12% EVA.
This is a 1/4" Inch Thick "Closed Cell" Foam, meaning that no water can pass through it. It is a flexible closed-cell polyethylene foam which is crosslinked by means of a unique electron irradiation process. It is manufactured as a continuous smooth sheet with small cells.

Applications Include:

• Making Raised Designs Beneath Fabric & Vinyl.
• Padding Underneath Automotive Vinyl Top Applications.
• Padding For Poker Tables.

Features:

• Volara Type: EO
• Blended with 12% EVA
• Density: 1.8 to 2.2
• Compression Strength: psi @ 25%: 4 / psi @ 50%: 12
• 60" Inches Wide
• 1/4" Inch Thick
• Smooth Surface
• Low Compression Set
• Water Repellant
• Fire-Retardant
• Non Toxic: Contains No CFC, HCFC, or Hydrocarbon Blowing Agents
• Characteristics: Increased flexibility, High resiliency, Excellent thermal insulation, Strong adhesive anchorage
• Material: Polyethylene (12% EVA)
• Properties: Flexible, soft and conforming