Large Adjustable Picture Boxes - Telescopic Framed Picture or Mirror Box: 800mm x 90mm x 600mm / 1000mm

These extremely handy telescopic picture postal boxes allow users to adjust the size of their packaging to their partcular picture or painting. Manufactured in the UK in a strong durable 125K/125T BC Flute Double Wall corrugated cardboard, these amazing extendable packing boxes will offer your the ultimate protection for a vast range of product sizes.

Simply slide the inner box in or out to get the desired length, and with three different widths to choose from, there are a multitude of sizes these can accommodate.