Seeded Paper Coasters - 89mm - plantable coasters grow wildflowers when planted in soil. These seed paper promotional items are made with seed paper embedded with wildflower seeds. Choose from square or circular plantable coasters and customise with options to suit your needs. Standard is white paper embedded with wildflower seed, printed both sides full colour, up to 40% coverage per side (full colour cmyk). Coloured papers and other seed is available but at extra cost.