I recently purchased a pack of Metronic Poly Mailers in the 19x24 inch size with 50 pieces, and overall, I'm quite pleased with these large shipping bags. Not only do they serve their purpose well, but the grey color adds a unique touch to my shipments.The size of these mailers is a definite advantage. At 19x24 inches, they provide ample space for sending larger items or multiple products in one package. This is a big cost-saver as it eliminates the need for bulky boxes and reduces shipping expenses.The quality of these Poly Mailers is satisfactory. They are made from a durable material that offers decent tear resistance, ensuring that my items remain protected during transit. While they may not be completely waterproof, they do a good job of keeping contents dry in light rain or moisture.The adhesive strip closure is reliable, keeping packages securely sealed throughout their journey. I appreciate the peace of mind knowing that my shipments won't accidentally open during transit.The pack of 50 pieces is a practical quantity for most shipping needs, and the pricing is reasonable considering the quality and quantity you receive. It's a cost-effective solution for both small business owners and individuals.The grey color of these mailers adds a unique touch to my shipments, setting them apart from the standard white mailers. While the color doesn't necessarily affect the functionality, it does give my packages a distinct and professional appearance.In conclusion, Metronic Poly Mailers in the 19x24 inch size with 50 pieces are a solid choice for anyone looking for reliable and affordable shipping bags. Their durability, size, and the unique grey color make them a practical option for various shipping needs. I would recommend these mailers to others looking for a dependable packaging solution.