The Poly Mailer Envelopes are so strong and hardly they can rip or cut

📌DURABLE - The Poly Mailer Envelopes are so strong and hardly they can rip or cut. Definitely you will need scissor or knife. It has a very strong tape at the top 📌WATER PROOF - The Poly Mailer Envelopes are self - sealing for easy packing with a tamper - evident, super secure closure. Pressure sensitive adhesive provides a high strength, durable closure that is water and dirt resistant 📌WIDELY USE - The Poly Mailer Envelopes are available in size of: 13.77” x 9.84”