Aviditi 20204 Flat Corrugated Box, 20" Length x 20" Width x 4" Height, Kraft (Bundle of 10) Flat corrugated box Manufactured from 200#/ECT-32 kraft corrugated The smaller depths on these cartons provide an ideal fit for shallow products Perfect for shipping apparel, books, picture frames, artwork, mirrors and clothing Measures 20-inches length by 20-inches width by 4-inches height