Quality Park QUAR4210 First Class Expansion Envelopes, 100 Per Carton
Firstclass Expansion Envelopes with heavyweight Tyvek offer superior protection for mailing bulky items which are not too heavy Ideal replacement for costly box or carton envelopes feature openend style and convenient FlapStik closure Being much stronger and more secure than traditional paper envelopes these envelopes with DuPont Tyvek wont rip tear or puncture Firstclass expansion envelopes are waterresistant and moistureresistant They are easy to use Simply peel and seal Specifications. Weight 284375