30 x 30 x 15 Brown Kraft Corrugated Shipping Boxes

The 30x30x15 brown kraft corrugated box is available in single wall, double wall, and triple wall constructions. Single wall suits lighter loads, double wall adds stacking strength for heavier contents, and triple wall is ideal for industrial bulk cargo. ECT-rated (32, 44, or 48 ECT) and Mullen/burst-strength-rated options are also available to match carrier requirements.

Yes. Cardboard Boxes 4 U offers ECT-rated and Mullen/burst-strength-rated corrugated boxes that meet UPS and FedEx packaging standards. Customers should verify liner grade and box weight requirements for their specific shipment. ASTM D5118 compliant grades (V3C, W5C) are available for specialized shipping needs.

Yes. Cardboard Boxes 4 U offers custom-sized corrugated boxes engineered to exact dimensions with a 7–10 business day lead time and minimum orders starting at 100 pieces. Custom printing options including full-color branding are also available for retail, promotional, and branded packaging applications.

Minimum order quantities start at 100 pieces for custom orders. Standard stock sizes are held in inventory for immediate dispatch in both small and bulk quantities. For volume pricing on large orders, contact Cardboard Boxes 4 U directly by phone or email to discuss your requirements.

Available corrugated grades include Mullen/burst strength (200# burst), ECT grades (32 ECT, 44 ECT, 48 ECT), and specialty government spec grades including V3C, V11C, and W5C. These grades meet ASTM D5118 and ASTM D4727 standards for moisture resistance and structural integrity. CSA Class Code A certification is also available for specialized compliance requirements.

Yes. Double and triple wall variants provide the stacking strength needed for heavy-duty warehouse, palletized freight, and bulk cargo transport. For military and government applications, MIL-SPEC and ASTM-compliant grades (including ASTM D5118 and ASTM D4727 certified V3C and W5C) are available. Hazardous material shipping boxes are also offered for specialized compliance needs.

Yes. The 30x30x15 brown kraft box is a popular choice for moving and relocation due to its large footprint and moderate depth, making it ideal for bulky yet manageable household or office items. Single wall and double wall variants provide adequate protection for most moving applications when properly packed and sealed.