10 Envelope Liner Sizes :
A1 Envelope Euro Flap  -  3 5/8” x 5 1/8” (fits RSVP 3.5" x 5" cards)
A1 Envelope Square Flap  -  3 5/8” x 5 1/8” (fits RSVP 3.5" x 5" cards)
A2 Envelope Euro Flap  -  5 3/4" x 4 3/8"   (fits 4.25" x 5.5" cards)
A6 Envelope Euro Flap  -  3 3/4" x 6 1/2"   (fits 4" x 6" cards)
A7 Envelope Euro Flap  -  5 1/4" x 7 1/4 "  (fits 5"x7" cards)
A7 Envelope Square Flap  -  5 1/4" x 7 1/4 "  (fits 5"x7" cards)
A9 Envelope Euro Flap -  5 1/4" x 8 3/4 "   (fits 5.5"x8.5" cards)
SQUARE Envelope Euro Flap -  6 1/2" x 6 1/2 "   
SQUARE Envelope Square Flap -  6 1/2" x 6 1/2 "   
A7.5 Envelope Euro Flap Outer Envelope  -  5.5" x 7.75"
 
If you do not see your size,  just choose a larger sized template and trim down to fit the size of your envelope.
For 5" x 7" cards - the preferred envelope size is an A7 (5 1/4" x 7 1/4")
 
Each template is on a single letter size page.  You can easily print at home on an 8.5" x 11" or A4 size paper, or lightweight card stock. The colors on your computer screen may print slightly different on paper. I recommend running a test print before printing on your card stock. Be sure to select the proper printing settings. Print at 100% - do not fit page.