Order Parking Ticket Envelopes and get FREE shipping! Use these envelopes for jewelry, coins, parking tickets, and more. Use as two-way mailers. These envelopes have a perforated flap. Use as remittance envelopes. Great for parking tickets in villages, cities, colleges, or townships. The envelopes measure 3 5/8 x 6-inches. They can fit payments. Great for any insert measuring up to 3 3/8 x 5 3/4-inches. To use, rip off the flap at the perforated line, then insert into the envelope and seal. The tear off flap envelopes have a standard gummed flap that requires moisture to seal.