About this item ★ Column Bubble & More Reliable: Air Column Bubble Cushioning Wrap, made of HDPE+PA (add 20% Nylon), nine-layer co-extrusion high barrier original film, the maximum bearing capacity is 200 lbs. Stronger toughness, provides upgraded cushion protection. ★ Easy to Customize Using Length: Reverse Air Check Valve design, all the column sleeves are independent, and any column fails will not affect other columns keep inflated. You can customize cushioning wrap in any length by cutting the roll, and re-customized the length before cutting without wasting any wrap! Fill any voids for transportation. ★ Dimension: 164 ft X 11.8 in (50m X 30cm) for the whole roll, 10 in (26cm) wide after inflation, thickness is about 50 microns. It does not come prefilled with air. It can be filled by air pump, bicycle pump, air compressor or electric air pump. A free simple hand pump is included, not for long-term use. ★ Inflate In Seconds: 1. Cut desired length of the cushioning wrap. 2. Clamp the end of the wrap piece. 3. Pump air. 4. Wrap your product in all and stick with tape. CAN'T DEFLATE AND REINFLATE. 80%-85% inflation will be fine, no need to over-inflate it. The column bubble will hold air for more than 2 months. ★ Boost Your Business: ultra light packing protection, less storage space and lower cost. Suitable for heavy duty packing, shipping breakable and fragile items. Better packing supplies alternative to packing peanuts, foam, and kraft paper and traditional bubble cushioning wrap. › See more product details