Pressure-sensitive labels conform fully to the guidlines (DOT) (49 CFR). Labels measure 4 x 4 (100mm); they are made of pressure sensitive peel-off heavy weight coated paper with fade-resistant UV-inks and are available in rolls of 500. These DOT labels also conform to international standards. The labels are mandatory for all domestic and international shipments of materials. ASIN B00PREJS8E Size 4 x 4 inch Brand Name Air Sea Containers Item Shape Rectangular Unit Count 500.0 Count Item Weight 4 Pounds Manufacturer Air Sea Containers Material Type Paper Number of Labels 500