Avery white weatherproof laser shipping labels, 1 x 2-5/8, 1500/pack durable polyester with strong adhesive provides protection for harsh environments and weather conditions. True blocktm technology allows labels to completely cover everything underneath. Laser printer compatible. Label size – text: 1 x 2 5/8; label color(s): white; machine compatibility: laser printers; material(s): polyester. this product arrives to most customers in 2-3 business days.