Protect materials from bending and creasing with this adjustable plastic art tube. Ideal for artwork, documents and papers that are sensitive to light, the tube protects contents from fading due to exposure to sunlight. It is 3" in diameter and telescopes from 28" to 49" with multiple locking positions for a customizable length that suits your needs. Details:Black3" diameterTelescoping length ranges from 28" to 49" Water-resistantLightproofIncludes a convenient shoulder strapPlastic construction