200 PCS 3.5×4.5 Inch White Corrugated Cardboard Sheet Flat Craft Insert Pad
3.5×4.5 White Corrugated Cardboard Sheets Flat Set of 200. STURDY AND SAFE: cardboard sheets are made of high-quality three-layer E-flute corrugated board. DIY PLEASURE: These cardboard inserts can be practical materials for paper crafting.