Custom Logo Large Wine Beer And Food Cooler Backpack For Beach

Description

Capacity: What 28 Litres Actually Carries

Volume claims on cooler bags are usually optimistic, so we publish a load table instead. The 45 × 32 × 22 cm main compartment takes six 750 ml bottles standing, or 24 standard 330 ml cans lying in two layers, or a combination of bottles, cans and two food boxes with 4 cm of headroom for freezer packs.

Usable insulated volume is 28 L after deducting the liner and wall thickness. A realistic loaded weight is 12-16 kg, which is the upper end for shoulder carry and the reason the harness is specified at 55 mm rather than the 45 mm used on smaller formats.

Insulation Build: 10 mm Walls, 12 mm Lid, Welded Liner

Wall thickness is the single biggest driver of ice retention on a soft cooler, and this model uses 10 mm EPE on all four walls plus a 12 mm lid pad — roughly double the 5 mm used on single-bottle bags. The liner is a 0.5 mm welded PEVA bag-in-bag, heavier than the 0.4 mm used on smaller models because the load is larger and the liner takes more abrasion from bottle bases.

Measured retention: 4°C for 8 hours and under 8°C for 15 hours at 26°C ambient with two 500 g freezer packs and pre-chilled contents. With no freezer packs the compartment behaves as a padded carrier and holds roughly 4 hours.

• 10 mm EPE walls, 12 mm lid pad, continuous foam gasket
• 0.5 mm welded PEVA liner, no stitch penetration in the wet zone
• Rear drain plug for meltwater
• Two internal elastic bottle retainers keep bottles upright
• 8 h at 4°C with two 500 g freezer packs

Harness And Load Transfer At 16 kg

A 16 kg shoulder load needs geometry, not just padding. The straps are 55 mm wide with an 8 mm EPE core and a 6 mm spacer-mesh face, anchored through a 2 mm HDPE stiffener so the load spreads across the top of the bag rather than two stitch points.

A 25 mm sternum strap and an optional 38 mm removable waist belt complete the system. At 16 kg we recommend the waist belt: it moves roughly 35% of the load to the hips, which is the difference between a comfortable walk and a stop every 200 metres.

Front Pocket, Bottle Opener And Utility Details

A cooler backpack is used with wet hands, so the front pocket is deliberately simple: a 3 L zip compartment with a stainless bottle opener on a 20 cm leash, a mesh divider for a corkscrew and napkins, and a key clip. The opener is riveted to a webbing tab rather than loose, because loose openers are lost on the first trip.

Side compression straps take the slack out when the bag is half full, which stops contents shifting on a walk. The base is a doubled 600D panel with a 2 mm PE insert, so a loaded bag set on gravel does not abrade through.

Custom Logo Programme For Breweries And Retail

This is a logo-led product: the front panel offers 26 × 14 cm of flat print surface, and the lid adds a 20 × 8 cm band. We run screen print to five colours, heat transfer for photographic artwork, embroidery for brewery crests, and a debossed leather-look patch for premium retail.

Typical brewery and liquor-retail programmes combine a printed bag with a printed bottle-opener card, a coasters insert and a shelf-ready carton. Because the bag is large, it doubles as a display piece in a bottle-shop, which is why print area is the main specification buyers negotiate.

• Screen print to 5 colours, 26 × 14 cm front panel
• Heat transfer for photographic or gradient artwork
• Embroidery for brewery and distillery crests
• Debossed leather-look patch for premium retail
• Shelf-ready carton, coaster insert, printed opener card

Materials, Food Safety And Cleaning

Shell is 600D polyester with a 400 mm PU backing, heavier than the 300 mm used on smaller bags because a large panel flexes more. The liner is food-contact PEVA supported by EU 10/2011 and FDA 21 CFR 177 declarations; we do not use PVC because of plasticiser migration requirements.

Cleaning is a wipe with a damp cloth, then air dry with the drain plug open. Bottle bases leave sugar residue that attracts insects, so the base seam should be wiped after every use — the welded construction means this is safe to do without water reaching foam.

Inspection: Volume, Leak And Load

Large coolers fail at the liner weld, the strap anchor and the base seam, so all three are tested. Every unit is air-pressure tested at 0.3 bar for 20 seconds, strap anchors are pull-tested at 40 kg for 30 seconds, and the base is drop-tested from 1 m with a 16 kg dummy load.

Volume is verified by filling a production sample with measured water to the liner seam, which catches the common failure where a pattern is scaled down and the stated capacity no longer holds. Inline checks run at 30% and 70%, with final random inspection to ANSI/ASQ Z1.4 Level II at AQL 2.5 major and 4.0 minor.

Sampling, Production And Freight

A stock-colour sample ships in 6-10 business days. A five-colour print with a debossed patch adds 12-16 business days. Bulk production runs 35-50 days from artwork and lab-dip approval.

Because the bag is bulky, freight planning matters: packing is 12 pieces per carton at 15.8 kg gross and 0.19 cbm per carton, so a 1,200-piece order is 100 cartons at 19 cbm — a 20-foot container loads about 1,500 pieces as a single SKU.

Related Models In This Programme

Buyers comparing formats usually shortlist single bottle beach wine bag alongside this model, and wine tote backpack with leakproof compartment for the adjacent specification. Both run on the same 500-piece minimum, the same 6-10 business day sampling cycle and the same AQL 2.5 major / 4.0 minor inspection standard, so a mixed order can ship as one consolidation.

Frequently Asked Questions

How much does the large cooler backpack hold?

A 28 L insulated main compartment measuring 45 × 32 × 22 cm: six 750 ml bottles standing, or 24 standard 330 ml cans in two layers, or three bottles plus twelve cans plus two food boxes. Empty weight is 1.08 kg and a realistic packed load is 12-16 kg.

How long does it keep drinks cold?

With pre-chilled contents and two 500 g freezer packs, the compartment held 4°C for 8 hours and stayed under 8°C for 15 hours at 26°C ambient. Without freezer packs it works as a padded carrier for roughly 4 hours. Walls are 10 mm EPE with a 12 mm lid pad.

Is the liner leakproof?

The liner is a 0.5 mm welded PEVA bag-in-bag with no stitching through the wet zone, and every unit is air-pressure tested at 0.3 bar for 20 seconds before packing. A rear drain plug releases meltwater, and two internal elastic retainers keep bottles upright.

Can it be carried comfortably when full?

55 mm padded straps with an 8 mm EPE core, a 6 mm spacer-mesh back panel, a 25 mm sternum strap and an optional removable 38 mm waist belt. At 16 kg we recommend the waist belt, which transfers roughly 35% of the load to the hips, and the 38 mm grab handles allow a two-person carry.

What is the MOQ and what logo options are available?

500 pieces per style and colour. Print coverage is a 26 × 14 cm front panel plus a 20 × 8 cm lid band, in screen print to five colours, heat transfer, embroidery for brewery crests, or a debossed leather-look patch. Shelf-ready cartons, coaster inserts and printed opener cards are available.

Does it have a bottle opener?

Yes, a 304 stainless opener on a 20 cm webbing leash, riveted rather than loose, inside a 3 L front zip pocket with a mesh divider for a corkscrew and napkins plus a key clip. Side compression straps stabilise a part load.

How long does sampling and production take for a large wine and food cooler backpack?

A stock-colour sample ships in 6-10 business days. A five-colour print with a debossed patch needs 12-16 business days. Bulk production is 35-50 days from artwork and lab-dip approval, followed by 100% air-pressure leak testing.

How is it packed for freight?

Twelve pieces per carton at 15.8 kg gross and 0.19 cbm per carton, so a 1,200-piece order is 100 cartons at about 19 cbm. A 20-foot container loads roughly 1,500 pieces as a single SKU. Shipment is normally FOB Xiamen or Shenzhen.

For bulk orders, OEM/ODM programmes or a design consultation, contact the JUNYUAN BAGS sales team at service@junyuanbags.com or WhatsApp +86 17750020688. Send your target specification, annual volume and artwork to receive a quotation within two business days. The full Picnic Backpack range is listed in our Picnic Backpack category.