'%3e%3cpath%20fill-rule='evenodd'%20clip-rule='evenodd'%20d='M33%2033H1V1H33V33Z'%20fill='white'/%3e%3cpath%20fill-rule='evenodd'%20clip-rule='evenodd'%20d='M33%2033H1V17H33V33Z'%20fill='%23DC143C'/%3e%3c/g%3e%3crect%20x='0.5'%20y='0.5'%20width='33'%20height='33'%20rx='16.5'%20stroke='black'%20stroke-opacity='0.1'/%3e%3cdefs%3e%3cclipPath%20id='clip0_37449_250459'%3e%3crect%20x='1'%20y='1'%20width='32'%20height='32'%20rx='16'%20fill='white'/%3e%3c/clipPath%3e%3c/defs%3e%3c/svg%3e)
Office mailing supplies that protect small, fragile items in transit, combining bubble cushioning with a tear-resistant outer layer. Switory Padded Envelopes bring a distinctive black finish that stands out in the post and looks professional. Are these A5 mailers the right size and level of protection for catalogue samples and small gifts?
⚡ At a Glance
- • Protection Level: Bubble padding plus multilayered polyethylene resists tears and absorbs shocks
- • Best for: Small businesses and sellers sending cosmetics, jewellery and delicate samples
- • Not ideal for: Oversized or very heavy objects that exceed A5 usable dimensions
Bubble cushioning and a durable outer layer create reliable protection in transit. Usable size measures 15.3cm x 22.9cm with an outside size of 15.3cm x 26.9cm.
Reliable protection for fragile items - with multilayered polyethylene and bubble padding
Multiple polyethylene layers form a tear-resistant outer shell while internal bubble cushioning absorbs knocks and pressure. The laminated construction helps resist punctures from odd-shaped goods.
Fragile contents experience reduced impact and puncture risk during handling, lowering returns and damage claims.
Quick, tamper-evident closure - with a self-adhesive tamperproof seal
A peel-off adhesive strip locks the flap, creating a seal that shows visible signs if opened after sealing. Smooth outer surface helps labels and stamps adhere cleanly.
Seals speed up packing while deterring unauthorised opening, which helps maintain customer trust.
Postage-friendly format - thanks to an A5 usable size that fits Royal Mail Large Letter criteria
Usable internal dimensions measure 15.3cm x 22.9cm and the outside size is 15.3cm x 26.9cm. Slim, padded construction keeps bulk and weight low.
Items that fit the usable area can be posted without repackaging, saving time and reducing postage surprises.
✨ The 4 Key Reasons for Switory Padded Envelopes
- Royal Mail Large Letter compatible - Fits 15.3cm x 22.9cm usable size, avoids repackaging
- Multilayered polyethylene - Resists tears and punctures during handling and transit
- Self-adhesive tamperproof seal - Shows visible tampering, improves mail security and trust
- Lightweight bubble padding - Lowers postage weight while protecting delicate contents
📋 Technical Details at a Glance
- Category: Office mailing supplies
- Material: Multilayered polyethylene
- Padding: Bubble wrap lining
- Usable size: 15.3cm x 22.9cm
- Outside size: 15.3cm x 26.9cm
❓ Frequently Asked Questions
Q: Are these envelopes sized for Royal Mail large letters?
A: Yes, usable internal dimensions are 15.3cm x 22.9cm and the outside size is 15.3cm x 26.9cm, matching Royal Mail large letter guidance for compact items.
Q: Do the seals show if an envelope has been opened?
A: Yes, a self-adhesive tamperproof strip creates a seal that cannot be opened without visible signs of tampering.
Q: What items are suitable to post in these mailers?
A: Small, lightweight or fragile items such as cosmetics, paintings, fashion accessories, jewellery, medicines, seeds and bulbs can be sent safely in these padded mailers.
🏆 Our Verdict
Ideal for small businesses and online sellers who need reliable protection for compact goods. Distinctive black bubble mailers combine multilayered polyethylene, internal padding and a tamper-evident seal for secure, post-ready packing. While individual budgets vary, the pack of 50 and robust construction deliver practical long-term value by reducing damage and repacking.
