4pcs 4 style envelope addressing guide set are made from premium material. The stencils are durable and ergonomics. You can use the stencils as writing guide for more applications. It help you to promote your writing ability, and you can draw art fonts, guide letters, keep rows beautiful and straight. Features - Color: Transparent.- Material: PP.- Size: 22 x 11.5 x 0.1 cm.- 4 different design styles, including: four same lines, four different size lines, five different size lines, two columns with four same lines.- Ergonomics Design: Considerate ordinate, lines, rows and dots, guide your writing more standardized.- Premium Material: PP, translucent, durable and environmental friendly.- Envelopes Guide Set: a wide range of envelopes including C6, B6, DL, ZL, C5 sizes.- More Application: Envelope addressing, the letter, wedding invitations, Christmas cards, handwriting designs, etc.Packing list: 4 x Envelope Templates