Flap & Strap Envelopes Flap and strap envelopes are designed with a header strip to hold items for retail sales on a shelf bray hook. Bar codes can be scanned through these clear vinyl holders making RFID systems easy to implement. Short Side Opening Flap and strap envelopes are designed with a header strip to hold items for retail sales on a shelf bray hook. Bar codes can be scanned through these clear vinyl holders making RFID systems easy to implement. Order Now Quantity/Price Each Stock No. Overall Size (in) Insert Size (in) Gauge 100+ 200+ 500+ 1000+ 2000+ 5000+ 25240 2 × 4 3⁄4 1 3⁄4 × 3 3⁄4 0.008 0.42 0.36 0.31 0.26 0.22 Contact us for better pricing! 25250 2 7⁄8 × 4 5⁄8 2 5⁄8 × 4 3⁄8 0.008 0.42 0.36 0.31 0.26 0.22 Contact us for better pricing! 25255 2 3⁄4 × 4 7⁄8 2 1⁄2 × 3 5⁄8 0.008 0.42 0.36 0.31 0.26 0.22 Contact us for better pricing! 25260 3 × 4 7⁄8 2 3⁄4 × 3 3⁄4 0.008 0.43 0.37 0.32 0.27 0.23 Contact us for better pricing! 25275 3 5⁄8 × 5 3⁄4 3 3⁄8 × 4 3⁄4 0.008 0.46 0.40 0.35 0.30 0.26 Contact us for better pricing! 25280 3 3⁄4 × 6 3⁄4 3 1⁄2 × 5 3⁄4 0.008 0.47 0.41 0.36 0.31 0.27 Contact us for better pricing! Custom Custom Contact us for custom sizes!