1 / 7Bacalar BA5 Double Memory Foam Mattress Topper, 10 cm
Bacalar BA5 is a double memory foam mattress topper listed for 4ft6 beds. Its 7-zone design, anti-slip dots and removable washable cover may suit buyers looking to alter the feel of an existing mattress without replacing it.
At a glance
- The listed 10 cm thickness adds a substantial foam layer above the mattress.
- A 7-zone cut design is described as targeting support across the neck, back, shoulders, hips and legs.
- Silicone dots on the underside are intended to help keep the topper from shifting.
- The cover has a zip fastening and is described as removable and machine washable.
- The listing claims OEKO-TEX and CertiPUR-US certification. Claims are not independently verified here.
Reference price: £165.99
Price checked: 14 Nov 2026
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Pros and cons
Pros
- The removable cover can be machine washed, making routine cover care more straightforward.
- Anti-slip dots are included in the described design to help limit movement on the mattress.
- The 7-zone cut pattern offers a more differentiated support layout than an undivided foam surface.
Cons
- The listed water resistance is explicitly none, so the topper is not presented as protection against spills.
- At 10 cm thick, it makes a noticeable change to the bed's height and feel, which may not suit buyers seeking a thin layer.
Technical specifications
11 specifications| Brand | Bacalar |
|---|---|
| Model | BA5 |
| Size | 4ft6 Double (135x190cm) |
|---|---|
| Dimensions | 190 x 135 x 10 centimetres |
| Weight listed | 8.74 Kilograms |
| Material listed | Foam Core: Body-hugging Memory Foam + Long-lasting Stable Foam; Cover: 100% Polyester |
|---|---|
| Water resistance listed | Not Water Resistant |
| Cover closure | Zipper |
| Care | Machine Wash |
| Firmness listed | Soft |
|---|---|
| Features listed | Adjustable, Eco-Friendly, Moisture-Wicking, Washable |
What to know before buying
Listing details to confirm
Listing details are contradictory or unconfirmed: the title says 4 inches while the dimensions and highlight state 10 cm, and the title says double without specifying 4ft6 while the size field lists 4ft6 Double (135x190cm). The listing also claims a 120-night trial in one highlight but states a 100 Nights Trial & 10 Years Warranty from the Date of Purchase in the warranty field. Confirm the selected size and applicable trial and warranty terms before ordering.
What’s in the box
Included- Mattress topper
- Removable cover
Who is it for?
A good fit for
- People with a 4ft6 double bed who want a thick memory foam layer with a washable cover.
- Buyers who prefer a soft listed feel and want a zoned design and anti-slip underside.
Less suited to
- Anyone needing a water-resistant mattress layer.
- Buyers seeking a clearly stated single thickness or trial term without first resolving the listing discrepancies.
Customer reviews on Amazon
- 5 stars
79% 79% - 4 stars
11% 11% - 3 stars
4% 4% - 2 stars
2% 2% - 1 star
4% 4%
Customer feedback reports comfort, support, perceived cooling, thickness and staying in place, with some customers saying it helped with back discomfort or delayed replacing a mattress. These are individual reported experiences, not guaranteed outcomes. They may matter to buyers considering a substantial foam layer, but the listing's 10 cm thickness and soft firmness do not establish that it will suit every body or mattress. The overall rating distribution is mostly five-star, alongside a smaller spread of lower ratings, so experiences are not uniform.
Positive themes
- Customers report comfort, support and good perceived quality.
- Some customers describe feeling cooler and say the topper helped with back discomfort.
- Feedback also mentions thickness, value and the topper staying in place.
Frequently asked questions
What size is this topper?
The size field lists 4ft6 Double (135x190cm). The title only says double, so check that the selected listing matches your mattress.
How thick is the topper?
The title says 4 inches, while the dimensions and product highlight state 10 cm. The listing does not reconcile these values, so check the selected specification before buying.
Can the cover be washed?
The listing describes a removable, zip-fastened cover and specifies machine washing.
Does it stay in place?
The product description says silicone dots on the underside are intended to reduce slipping. This is a design claim, not a guarantee that it will stay put on every mattress.
What trial and warranty are stated?
The listing gives conflicting trial information: a 120-night trial in one highlight and a 100 Nights Trial & 10 Years Warranty from the Date of Purchase in the warranty field. Confirm the terms that apply to your purchase.
Alternative options
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wowttrelax Memory Foam Mattress Topper Double Bed, 4 Inch Thick, 135X190 | Dual-Layer Firmness Design , Elastic Straps, Orthopedic Cooling Double Mattress Topper for Back Pain Relief, Washable Cover
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Gel Memory Foam Mattress Topper, Pain Relief,Double Size 135x190x10cm,Grey | Gel Topper, Cool Sleep, Back Pain Relief, Breathable Washable Cover, Adjustable Straps & Anti-Slip Dots, 100-Night Trial
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