Seashells--#10 Envelopes (pkg. of 25) Retail Price: $3.99 Our Price: $3.49 Save: 0.50 (12.53%)        Letter sized envelopes have a border of seashells around a white centered rectangle. 9 1/2' x 4' Similar Items you may enjoy! Seashells Author: Homeschool Our Price: $7.49 Postcard - Seashells (pkg. of 25) Our Price: $2.99 Seashells in My Pocket, 3rd Our Price: $11.99 Seahorses and Seashells Stickers Our Price: $1.59