10 x 13″ Tamper Evident Tyvek Envelopes (TYF1013TE) Case Of 100

10 x 13″ Tamper Evident Tyvek Envelopes. Tyvek envelopes provide superior puncture, tear and moisture protection. Constructed from 14 lb. olefin. Ten times stronger than paper envelopes. Feature a special seal that once broken, the word “OPENED” appears in red on the flap. Cost - $25 Free Shipping We offer free shipping on orders over $30. Please check the free - shipping eligibility at checkout. Delivery Time It usually takes [3-5] business days for standard shipping. Please note that this is an estimated time frame and may be affected by local holidays, and unforeseen circumstances. Be the first to write your review!