Amazon.com: Floral Foam Blocks for Fresh and Artificial Flowers, 6 Pcs Each 8" L x 4" W x 3" H Wet and Dry Green Florist Foam for Weddings, Birthday Parties and Holiday
Amazon.com: Floral Foam for Fresh and Artificial Flowers, 6PCS Wet and Dry Floral Foam Blocks for Wedding, Birthdays and Garden Decorations : Arts, Crafts & Sewing
18 Pack Floral Foam, 3.15 in Green Styrofoam Block, Round Wet & Dry Foam Bricks, Florist Foam for Flower Arrangements Artificial Flowers - Walmart.com