Grey Strong Mailing Postal Bags Self Seal All Sizes Fast UK Delivery Packaging

// CHNAGE MADE 1

£39.99 GBP

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GREY Postal Packaging Bags – Self Seal, Waterproof & Strong

High-quality grey mailing bags perfect for safe and secure delivery of your parcels. Designed for strength, protection, and convenience, these self-seal postal bags are ideal for eCommerce, retail, or personal use.

🔍 Product Features

Thickness: 50-60 Micron
Finish: Glossy, Plain Surface
Shape: Rectangular
Waterproof: Yes
Colour: Grey
Excellent strength & durability
Eco-friendly & recyclable
Self-adhesive peel & seal strip
Perfect for applying address/shipping labels
Provides high confidentiality during transit
Lightweight to reduce postage costs

📦 How to Use

Select the appropriate size from our wide range.
Insert your item into the bag.
Peel off the adhesive strip.
Seal the bag securely.
Apply your shipping label on top.

📏 Size Guide & Suitable Uses

Bag Size (Inch + Lip)	Metric Size	Suitable For
4.7 x 6.7″	120 x 170 mm + 40 mm	Phone Cover
6.5 x 9″	165 x 230 mm + 40 mm	Greeting Card
9 x 12″	230 x 300 mm + 40 mm	A4 Sheet
10 x 14″	250 x 350 mm + 40 mm	A4 Magazine
12 x 16″	305 x 406 mm + 40 mm	Men's XL Hoodie
14 x 21″	350 x 525 mm + 40 mm	Ladies Shoe Box
17 x 24″	425 x 600 mm + 40 mm	Ladies Coat
22 x 30″	550 x 750 mm + 40 mm	Standard Pillow
24 x 35″	600 x 900 mm + 40 mm	XXL T-Shirt

🚚 Free & Fast UK Delivery

Order today and enjoy free, fast dispatch across the UK. Trusted by thousands of sellers!

Perfect for eBay, Amazon, Shopify, and all small businesses.

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Variant	Variant total	Quantity	Price	Variant total
200 / 24 x 35 inch (600 x 900 mm)645027736880	200 / 24 x 35 inch (600 x 900 mm)645027736880 £39.99/ea	£0.00	Quantity	£39.99/ea	£0.00

300 / 4.7 x 6.7 inch (120 x 170 mm)645027736881	300 / 4.7 x 6.7 inch (120 x 170 mm)645027736881 £6.99/ea	£0.00	Quantity	£6.99/ea	£0.00

300 / 6.5 x 9 inch (165 x 230 mm)645027736882	300 / 6.5 x 9 inch (165 x 230 mm)645027736882 £12.99/ea	£0.00	Quantity	£12.99/ea	£0.00

300 / 9 x 12 inch (230 x 300 mm)645027736883	300 / 9 x 12 inch (230 x 300 mm)645027736883 £18.99/ea	£0.00	Quantity	£18.99/ea	£0.00

300 / 10 x 14 inch (250 x 350 mm)645027736884	300 / 10 x 14 inch (250 x 350 mm)645027736884 £21.99/ea	£0.00	Quantity	£21.99/ea	£0.00

300 / 12 x 16 inch (305 x 406 mm)645027736885	300 / 12 x 16 inch (305 x 406 mm)645027736885 £24.99/ea	£0.00	Quantity	£24.99/ea	£0.00

300 / 14 x 21 inch (350 x 525 mm)645027736886	300 / 14 x 21 inch (350 x 525 mm)645027736886 £42.99/ea	£0.00	Quantity	£42.99/ea	£0.00

300 / 17 x 24 inch (425 x 600 mm)645027736887	300 / 17 x 24 inch (425 x 600 mm)645027736887 £44.99/ea	£0.00	Quantity	£44.99/ea	£0.00

300 / 22 x 30 inch (550 x 750 mm)645027736888	300 / 22 x 30 inch (550 x 750 mm)645027736888 £54.99/ea	£0.00	Quantity	£54.99/ea	£0.00

300 / 24 x 35 inch (600 x 900 mm)645027736889	300 / 24 x 35 inch (600 x 900 mm)645027736889 £69.99/ea	£0.00	Quantity	£69.99/ea	£0.00

500 / 4.7 x 6.7 inch (120 x 170 mm)645027736890	500 / 4.7 x 6.7 inch (120 x 170 mm)645027736890 £7.99/ea	£0.00	Quantity	£7.99/ea	£0.00

500 / 6.5 x 9 inch (165 x 230 mm)645027736891	500 / 6.5 x 9 inch (165 x 230 mm)645027736891 £16.99/ea	£0.00	Quantity	£16.99/ea	£0.00

500 / 9 x 12 inch (230 x 300 mm)645027736892	500 / 9 x 12 inch (230 x 300 mm)645027736892 £21.99/ea	£0.00	Quantity	£21.99/ea	£0.00

500 / 10 x 14 inch (250 x 350 mm)645027736893	500 / 10 x 14 inch (250 x 350 mm)645027736893 £26.99/ea	£0.00	Quantity	£26.99/ea	£0.00

500 / 12 x 16 inch (305 x 406 mm)645027736894	500 / 12 x 16 inch (305 x 406 mm)645027736894 £32.99/ea	£0.00	Quantity	£32.99/ea	£0.00

500 / 14 x 21 inch (350 x 525 mm)645027736895	500 / 14 x 21 inch (350 x 525 mm)645027736895 £57.99/ea	£0.00	Quantity	£57.99/ea	£0.00

200 / 4.7 x 6.7 inch (120 x 170 mm)645027736872	200 / 4.7 x 6.7 inch (120 x 170 mm)645027736872 £5.99/ea	£0.00	Quantity	£5.99/ea	£0.00

200 / 6.5 x 9 inch (165 x 230 mm)645027736873	200 / 6.5 x 9 inch (165 x 230 mm)645027736873 £9.99/ea	£0.00	Quantity	£9.99/ea	£0.00

200 / 9 x 12 inch (230 x 300 mm)645027736874	200 / 9 x 12 inch (230 x 300 mm)645027736874 £9.99/ea	£0.00	Quantity	£9.99/ea	£0.00

200 / 10 x 14 inch (250 x 350 mm)645027736875	200 / 10 x 14 inch (250 x 350 mm)645027736875 £16.99/ea	£0.00	Quantity	£16.99/ea	£0.00

200 / 12 x 16 inch (305 x 406 mm)645027736876	200 / 12 x 16 inch (305 x 406 mm)645027736876 £16.99/ea	£0.00	Quantity	£16.99/ea	£0.00

200 / 14 x 21 inch (350 x 525 mm)645027736877	200 / 14 x 21 inch (350 x 525 mm)645027736877 £28.88/ea	£0.00	Quantity	£28.88/ea	£0.00

200 / 17 x 24 inch (425 x 600 mm)645027736878	200 / 17 x 24 inch (425 x 600 mm)645027736878 £28.99/ea	£0.00	Quantity	£28.99/ea	£0.00

200 / 22 x 30 inch (550 x 750 mm)645027736879	200 / 22 x 30 inch (550 x 750 mm)645027736879 £32.99/ea	£0.00	Quantity	£32.99/ea	£0.00

25 / 4.7 x 6.7 inch (120 x 170 mm)645027736944	25 / 4.7 x 6.7 inch (120 x 170 mm)645027736944 £3.89/ea	£0.00	Quantity	£3.89/ea	£0.00

25 / 6.5 x 9 inch (165 x 230 mm)645027736945	25 / 6.5 x 9 inch (165 x 230 mm)645027736945 £3.99/ea	£0.00	Quantity	£3.99/ea	£0.00

25 / 9 x 12 inch (230 x 300 mm)645027736946	25 / 9 x 12 inch (230 x 300 mm)645027736946 £3.99/ea	£0.00	Quantity	£3.99/ea	£0.00

25 / 10 x 14 inch (250 x 350 mm)645027736947	25 / 10 x 14 inch (250 x 350 mm)645027736947 £3.99/ea	£0.00	Quantity	£3.99/ea	£0.00

25 / 12 x 16 inch (305 x 406 mm)645027736948	25 / 12 x 16 inch (305 x 406 mm)645027736948 £4.99/ea	£0.00	Quantity	£4.99/ea	£0.00

25 / 14 x 21 inch (350 x 525 mm)645027736949	25 / 14 x 21 inch (350 x 525 mm)645027736949 £6.88/ea	£0.00	Quantity	£6.88/ea	£0.00

25 / 17 x 24 inch (425 x 600 mm)645027736950	25 / 17 x 24 inch (425 x 600 mm)645027736950 £6.99/ea	£0.00	Quantity	£6.99/ea	£0.00

25 / 22 x 30 inch (550 x 750 mm)645027736951	25 / 22 x 30 inch (550 x 750 mm)645027736951 £7.99/ea	£0.00	Quantity	£7.99/ea	£0.00

25 / 24 x 35 inch (600 x 900 mm)645027736952	25 / 24 x 35 inch (600 x 900 mm)645027736952 £9.99/ea	£0.00	Quantity	£9.99/ea	£0.00

50 / 4.7 x 6.7 inch (120 x 170 mm)645027736953	50 / 4.7 x 6.7 inch (120 x 170 mm)645027736953 £4.49/ea	£0.00	Quantity	£4.49/ea	£0.00

50 / 6.5 x 9 inch (165 x 230 mm)645027736954	50 / 6.5 x 9 inch (165 x 230 mm)645027736954 £4.99/ea	£0.00	Quantity	£4.99/ea	£0.00

50 / 9 x 12 inch (230 x 300 mm)645027736955	50 / 9 x 12 inch (230 x 300 mm)645027736955 £5.49/ea	£0.00	Quantity	£5.49/ea	£0.00

50 / 10 x 14 inch (250 x 350 mm)645027736956	50 / 10 x 14 inch (250 x 350 mm)645027736956 £5.89/ea	£0.00	Quantity	£5.89/ea	£0.00

50 / 12 x 16 inch (305 x 406 mm)645027736957	50 / 12 x 16 inch (305 x 406 mm)645027736957 £5.99/ea	£0.00	Quantity	£5.99/ea	£0.00

50 / 14 x 21 inch (350 x 525 mm)645027736958	50 / 14 x 21 inch (350 x 525 mm)645027736958 £9.98/ea	£0.00	Quantity	£9.98/ea	£0.00

50 / 17 x 24 inch (425 x 600 mm)645027736959	50 / 17 x 24 inch (425 x 600 mm)645027736959 £9.99/ea	£0.00	Quantity	£9.99/ea	£0.00

2000 / 9 x 12 inch (230 x 300 mm)645027736928	2000 / 9 x 12 inch (230 x 300 mm)645027736928 £44.99/ea	£0.00	Quantity	£44.99/ea	£0.00

2000 / 10 x 14 inch (250 x 350 mm)645027736929	2000 / 10 x 14 inch (250 x 350 mm)645027736929 £79.99/ea	£0.00	Quantity	£79.99/ea	£0.00

2000 / 12 x 16 inch (305 x 406 mm)645027736930	2000 / 12 x 16 inch (305 x 406 mm)645027736930 £74.99/ea	£0.00	Quantity	£74.99/ea	£0.00

2000 / 14 x 21 inch (350 x 525 mm)645027736931	2000 / 14 x 21 inch (350 x 525 mm)645027736931 £198.99/ea	£0.00	Quantity	£198.99/ea	£0.00

2000 / 17 x 24 inch (425 x 600 mm)645027736932	2000 / 17 x 24 inch (425 x 600 mm)645027736932 £199.99/ea	£0.00	Quantity	£199.99/ea	£0.00

2000 / 22 x 30 inch (550 x 750 mm)645027736933	2000 / 22 x 30 inch (550 x 750 mm)645027736933 £263.99/ea	£0.00	Quantity	£263.99/ea	£0.00

2000 / 24 x 35 inch (600 x 900 mm)645027736934	2000 / 24 x 35 inch (600 x 900 mm)645027736934 £419.99/ea	£0.00	Quantity	£419.99/ea	£0.00

20 / 4.7 x 6.7 inch (120 x 170 mm)645027736935	20 / 4.7 x 6.7 inch (120 x 170 mm)645027736935 £3.49/ea	£0.00	Quantity	£3.49/ea	£0.00

20 / 6.5 x 9 inch (165 x 230 mm)645027736936	20 / 6.5 x 9 inch (165 x 230 mm)645027736936 £3.59/ea	£0.00	Quantity	£3.59/ea	£0.00

20 / 9 x 12 inch (230 x 300 mm)645027736937	20 / 9 x 12 inch (230 x 300 mm)645027736937 £3.69/ea	£0.00	Quantity	£3.69/ea	£0.00

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