OLYCRAFT 18Pcs Black Poster Board for Art Crafts Blank Yard Signs 40x30cm Corrugated PP Sheets Foam Poster Board Outdoor Corrugated Plastic Boards Durable Waterproof Sign for Yard Birthday Party Signs

• Versatile Application--The poster board adapts to yard signs, outdoor displays, open house events, birthday celebrations, and DIY projects with its universal rectangular design and portable dimensions
• Durable PP Material--Crafted from lightweight polypropylene with 3mm thickness, this corrugated plastic board resists corrosion and bending while maintaining structural integrity in diverse environments
• Convenient Size Dimensions--The 40x30cm format balances visibility and portability, fitting standard sign holders and backpacks while providing ample space for creative designs
• Classic Black Finish--Neutral black surface enhances content visibility without glare, complementing decorative elements from chalk markers to vinyl decals for professional or personal use
• Cost-Effective Packaging--18-Piece pack supports multiple projects simultaneously, reducing per-unit costs while ensuring consistent quality across school assignments, real estate signage, and seasonal decorations

OLYCRAFT Poster Board for Art Crafts The pp corrugated plastic poster board offers reliable performance for yard signs and open house events with its lightweight yet sturdy construction Ideal for birthday celebrations and diy projects, the rectangular shape and classic black color adapt seamlessly to both indoor displays and outdoor environments