Value Pack – Includes 50 envelopes in 3 practical sizes (6.5×3.5 inches, 5.5×3.125 inches, 3.5×2.5 inches) to meet different needs Premium Material – 100gsm thick kraft paper, durable and sturdy, water-resistant and moisture-proof to protect contents Professional Design – Standard envelope closure design with good sealing performance, natural kraft paper color, simple and elegant Multi-Purpose – Suitable for business correspondence, personal mail, document storage, gift packaging, office use and more Eco-Friendly – Made from natural kraft paper, recyclable and sustainable, environmentally friendly