Bright Yellow #10 Business Envelopes - 100 Envelopes - Desktop Publishing Supplies&trade; Brand Envelopes Bright Yellow #10 Business Envelopes - 100 Envelopes Made From 24lb Bond Bright Yellow Paper (90 gsm) Measures 4 1/8" x 9 1/2" each Inkjet & Laser Printer Compatible 100 Envelopes per pack