Blake Purely Environmental C5 229 x 162 mm 90 gsm Flora Recycled Pocket Self Seal Window Envelopes (RE3831) Natural White Pack of 500

Amazon

Easy to use Self Seal closure The off white shade of the 100 percent recycled paper clearly shows support for the environment Attractive green printed opaque inside for added security and to further emphasize the environmental message Material: Paper

Zoro Tools

For those who are looking for the traditional appearance of a recycled envelope. The off-white shade clearly demonstrates your support for the environment whilst the attractive green opaque further emphasises the environmental message.