Door Mats - Seashell Border Welcome Mat - 17" X 28" - Shell Doormat - Door Mat Our hand woven welcome mat showcasing a seashell border motif is constructed of durable, all natural coconut fiber, hand-stenciled with permanent fade resistant dyes. Measures approximately: 17"H x 28"L x 1/2" thick. For outdoor use only. Because each doormat is handmade of all natural products - sizes and colors will vary slightly.