Self-stick envelopes to keep your information secure and sealed. No need to apply glue or tape this lovely peel and seal with adhesive. Best suitable for legal and business mailing. Find a range of manilla envelopes, self-adhesive, white self-seal, heavy manilla envelopes, peel seal manilla envelopes, and manilla bubble envelopes at party wholesaler abbey cards. We are the leading envelopes wholesaler and supplier in Wembley UK.