Magnetic-Stripped Envelopes Magnetic strips on the back of these envelopes adhere firmly to metal shelving units or appliances. Magnets are available in all sizes and can be applied as strips or as full-size to any of our items. Short Side Opening Magnetic strips on the back of these envelopes adhere firmly to metal shelving units or appliances. Magnets are available in all sizes and can be applied as strips or as full-size to any of our items. Order Now Quantity/Price Each Stock No. Overall Size (in) Insert Size (in) Gauge 100+ 200+ 500+ 1000+ 2000+ 5000+ 29038S 3 1⁄2 × 8 1⁄4 3 1⁄4 × 8 0.008 1.31 1.24 1.18 1.12 1.07 Contact us for better pricing! 29039S 3 7⁄8 × 9 1⁄8 3 5⁄8 × 8 3⁄4 0.008 1.48 1.41 1.35 1.29 1.24 Contact us for better pricing! Custom Custom Contact us for custom sizes!