# KMKOII 12-Inch Outer Vinyl Record Sleeves, 50 Pack, 3 Mil

KMKOII 12-inch outer vinyl record sleeves are a 50-pack of clear polypropylene covers listed as 3 mil thick. Their stated dimensions suit single and double LPs, with most triple-gatefold covers also claimed to fit.

- [Original product page](https://bargainpostbox.co.uk/product/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)
- [View offer](https://bargainpostbox.co.uk/visit/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)
- Market: UK
- Language: en-GB
- Currency: GBP
- Brand: KMKOII
- Category: Books, Music & Hobbies > Collectible Albums & Protection Supplies
- Price: 10.50 GBP
- Previous price: 12.58 GBP
- Discount: 17%
- Price checked: 2026-11-12T19:08:45.688Z
- Rating: 4.6 / 5
- Reviews: 274

Prices and deal status are the latest recorded data, not a guarantee of availability. Confirm the price and availability with the store.

## At a glance

- Clear outer covers let album artwork remain visible while sleeves are stored or displayed.
- The listing describes the polypropylene as acid-free and the sleeve as 3 mil thick.
- Manufacturer details say they fit single and double LPs. Most triple gatefolds are also claimed to fit.

## Pros

- 50 sleeves provide covers for a larger group of 12-inch records.
- Transparent polypropylene keeps cover artwork visible.
- The listing specifies a 3 mil thickness and an acid-free material claim.

## Specifications

### Identity
- Brand: KMKOII
- Manufacturer reference: KPPO12-50
### Dimensions and installation
- Dimensions listed: 33 x 33 x 1 cm; 750 g
- Sleeve size: 12.75” x 12.75”
- Sleeve size (metric): 12.75 inches x 12.75 inches \(32.5 cm x 32.5 cm\)
### Material and protection
- Material: Polypropylene
- Thickness: 3 mil thick\(3Mil=76 μm\)
- Acid-free claim: 100% ACID FREE
### Compatibility
- Claimed fit: Single & Double and most Tripe Gatefold Record/LPs
- LP capacity stated in product details: Suitable for single and double LP \(1-2 LPs\)

## Before you buy

- The listing gives the sleeve size as 12.75” x 12.75” and also as 12.75 inches x 12.75 inches \(32.5 cm x 32.5 cm\). Its product dimensions are separately listed as 33 x 33 x 1 cm; 750 g. Fit for most triple gatefolds is claimed, while another description specifies single and double LPs. Confirm dimensions and gatefold compatibility for your covers if fit is critical. These are manufacturer-provided claims, not independently measured specifications.

## A good fit for

- Collectors who want clear outer covers for 12-inch single and double LP jackets.
- Buyers looking for a 50-pack of polypropylene sleeves for visible storage or display.

## Less suited to

- Collectors needing confirmed fit for oversized or unusually thick gatefold jackets.
- Buyers seeking inner record sleeves rather than outer album-cover protectors.

## Customer feedback

Customer feedback highlights perceived quality, clarity and durability, with the summary also mentioning a report of no tearing during use. Customers also describe the sleeves as good value. These impressions are relevant for buyers wanting clear covers for regular storage, but they do not independently verify the stated thickness, material claims or fit.
- Positive themes: Customers describe the sleeves as clear and durable.
- Positive themes: Customer feedback characterises the perceived quality and value positively.

## Frequently asked questions

### How many sleeves are included?
The product title describes a pack of 50 outer sleeves.
### What records are these sleeves intended for?
The listing says they fit 12-inch records, including single and double LPs. Most triple gatefolds are also claimed to fit, but that fit is not confirmed for every jacket.
### What are the sleeves made from?
The listing identifies polypropylene and describes the sleeves as clear, 3 mil thick and acid-free.

## Alternative options

- [SPINCARE 100x 12 Inch Density UV Protection Outer Vinyl Record Sleeves \| Single & Double Album LP Protective Sleeve \| Strong Polyethylene Archival Plastic Vinyl Record Storage Covers](https://bargainpostbox.co.uk/visit/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)
- [GPXIIZ Vinyl Sleeves Outer 12 Inch \| 50x Crystal Clear Record Sleeves \| 3 Mil Thick \| Acid-Free & High-Density Polypropylene \| Plastic Protective Vinyl Album Covers for 12" Single & Double LPs](https://bargainpostbox.co.uk/visit/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)
- [GPXIIZ 50x Vinyl Sleeves Outer 12 Inch with UV Protection \| No Edge Tears \| Density Polyethylene Record Sleeves \| Cool Touch \| Archival Plastic Vinyl Protective Album Covers for Single Double LPs](https://bargainpostbox.co.uk/visit/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)
- [Gatefold Record Sleeves: 12" Plastic Vinyl LP Albums Protective Sleeves, 3 Mil Thick Crystal Clear Records Covers, Pack of 10](https://bargainpostbox.co.uk/visit/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)
- [POJSIO 12 Inch Vinyl Record Sleeves Outer,50 x Record Sleeves Outer 12 Inch \| \| 3 Mils Thick \| Crystal Clear High-Density Polypropylene Plastic Vinyl Protective Album Cover for Single Double LPs](https://bargainpostbox.co.uk/visit/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)
- [GPXIIZ Vinyl Sleeves Outer 12 Inch \| 100x Thickened Record Sleeves \| No Edge Tears \| Durable 100 Micron Polyethylene \| UV Resistant \| Clear Plastic Protective Vinyl Covers \| Fit 1-3 LP Albums](https://bargainpostbox.co.uk/visit/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)
- [12" Record Sleeves Vinyl Outer Sleeves - Crystal Clear Vinyl Record Sleeves Outer, 3 Mil Thick LP Album Covers 50 Pcs](https://bargainpostbox.co.uk/visit/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)
- [GPXIIZ Vinyl Sleeves Outer 12 Inch \| 100x Crystal Clear Record Sleeves \| 3 Mil Thick \| Acid-Free & High-Density Polypropylene \| Plastic Protective Vinyl Album Covers for 12" Single & Double LPs](https://bargainpostbox.co.uk/visit/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)
- [12" inch Vinyl Record 450 Gauge Polythene Sleeves Premium Quality Pack of 50](https://bargainpostbox.co.uk/visit/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)
- [12" inch Vinyl Record 250 Gauge Polythene Sleeves Premium Quality Pack of 100](https://bargainpostbox.co.uk/visit/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)
- [GPXIIZ 100x Vinyl Sleeves Outer 12 Inch with UV Protection \| No Edge Tears \| Density Polyethylene Record Sleeves \| Cool Touch \| Archival Plastic Vinyl Protective Album Covers for Single Double LPs](https://bargainpostbox.co.uk/visit/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)
- [TNP Vinyl Record Inner Sleeves, 50 Pack, 12 Inch, Anti-Static Rice Paper](https://bargainpostbox.co.uk/visit/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)

## Add-ons

- [SPINCARE 100x 12 Inch Crystal Standard Outer Vinyl Record Sleeves \| Crystal Clear Covers for Single Double Albums & LPs \| Aci](https://bargainpostbox.co.uk/visit/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)
- [SPINCARE 50x 12 Inch Crystal Gatefold Outer Vinyl Record Sleeves \| Crystal Clear Covers Fit Single & Double Gatefold Albums \|](https://bargainpostbox.co.uk/visit/kmkoii-12-inch-outer-vinyl-record-sleeves-50-pack)

## Images

![KMKOII 12-Inch Outer Vinyl Record Sleeves, 50 Pack, 3 Mil — 1](https://bargainpostbox.co.uk/i/hcVegTsYcOK_ixJgwM5X9Ffs6s1FEpXQXIZFJQrIQsVkrVTWSwadNnvNSnX_mudorYOvJ0j6lQGXAxcx5ecxAR_zUL2NDrzIpEK2qRvuM1VAWxRcTucHBTQH.jpg)

![KMKOII 12-Inch Outer Vinyl Record Sleeves, 50 Pack, 3 Mil — 2](https://bargainpostbox.co.uk/i/aDQGNX3q99OwdiSWTTzzUPlqoGPOMwveFjlLDW54eXZXKPpgzHpN-LJdojFN_mVv6mNqY3fRv_RJ7LMjIJ2SpLzW6LxvcOG10ioOGoOpN_ilRJNpLV-XLJDP.jpg)

![KMKOII 12-Inch Outer Vinyl Record Sleeves, 50 Pack, 3 Mil — 3](https://bargainpostbox.co.uk/i/yGPke21Idu4llZVSfmPFHfd6cxbxocrfktRdqmPA2gYyN7FvWA2QpZ4E2TZQoLB_RQv6syJaxO2SZ-OyfWLWN3QMyqbuwNpjsrh89iAJWlgdk-cujZthId-X.jpg)

![KMKOII 12-Inch Outer Vinyl Record Sleeves, 50 Pack, 3 Mil — 4](https://bargainpostbox.co.uk/i/d5FxzLMk9e99_bYeDFzWgMbvi0rlMtH4FPgSf6dIoP0jKWOYfDgvTOrDxFFVAOMye8ImO-eMqJ2Yeui7IBh5hVia0Fq-tgsvh1G5VeXRtVShiYGccAY1GwO1.jpg)

![KMKOII 12-Inch Outer Vinyl Record Sleeves, 50 Pack, 3 Mil — 5](https://bargainpostbox.co.uk/i/2fqWxvyzLX8LhfKVApA4zfb9c1z80KFM2r42G_bw8E1fFzejRLqgMBHeeOUyjj8mfQgsWPcfOdCz9x8Y9b_ypuVfG1DvPoXqUGgsjRI_Hqiz62SJ3CnoGMCL.jpg)

![KMKOII 12-Inch Outer Vinyl Record Sleeves, 50 Pack, 3 Mil — 6](https://bargainpostbox.co.uk/i/TA5pdcbIbM0ojlDg8ssZFSjQ7EGvaloKvlqFc15jP_Lt-V5XFcC5bACPyJRU8EHTdz23YNaxcbOmtNaLvthFVL6GtynaPsJLFzFuSHfhaqQJO38-Pv0_LYiK.jpg)

![KMKOII 12-Inch Outer Vinyl Record Sleeves, 50 Pack, 3 Mil — 7](https://bargainpostbox.co.uk/i/iAje7gwI7e9SjhCcmBXVMInclmOmKjFKXOb9IqCK0CrlwC0-866UZW567vf3zqUV-Dc0IIsQEtp_4Q4oYMmAhcdvyzX7_yU0qYQGnAvlPFzOtiNfl3Bdz1KG.jpg)