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Collection: Cernit Number One Polymer Clay

The full range of Cernit Number One polymer clay.

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Cernit Number One Polymer Clay (57 products)

Cernit Number One Polymer Clay (57 products)

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Cernit Polymer Clay 56g | Number One - 214 Sky Blue

Sale

Cernit Polymer Clay 56g | Number One - 214 Sky Blue

Vendor:
Cernit

No reviews

Regular price £2.39

Regular price ~~RRP £3.40~~ Sale price £2.39
Unit price per

Sale
Cernit Polymer Clay 56g | Number One - 922 Fuchsia

Sale

Cernit Polymer Clay 56g | Number One - 922 Fuchsia

Vendor:
Cernit

No reviews

Regular price £2.39

Regular price ~~RRP £3.40~~ Sale price £2.39
Unit price per

Sale
Cernit Polymer Clay 56g | Number One - 428 Poppy Red

Sale

Cernit Polymer Clay 56g | Number One - 428 Poppy Red

Vendor:
Cernit

No reviews

Regular price £2.39

Regular price ~~RRP £3.40~~ Sale price £2.39
Unit price per

Sale
Cernit Polymer Clay 56g | Number One - 280 Turquoise Blue

Sale

Cernit Polymer Clay 56g | Number One - 280 Turquoise Blue

Vendor:
Cernit

No reviews

Regular price £2.39

Regular price ~~RRP £3.40~~ Sale price £2.39
Unit price per

Sale
Cernit Polymer Clay 56g | Number One - 211 Caribbean

Sale

Cernit Polymer Clay 56g | Number One - 211 Caribbean

Vendor:
Cernit

No reviews

Regular price £2.39

Regular price ~~RRP £3.40~~ Sale price £2.39
Unit price per

Sale
Cernit Polymer Clay 56g | Number One - 150 Grey

Sale

Cernit Polymer Clay 56g | Number One - 150 Grey

Vendor:
Cernit

No reviews

Regular price £2.39

Regular price ~~RRP £3.40~~ Sale price £2.39
Unit price per

Sale
Cernit Polymer Clay 500g | Number One - 100 Black

Sale

Cernit Polymer Clay 500g | Number One - 100 Black

Vendor:
Cernit

No reviews

Regular price £17.99

Regular price ~~RRP £22.65~~ Sale price £17.99
Unit price per

Sale
Cernit Polymer Clay 56g | Number One - 731 Pastel Yellow

Sale

Cernit Polymer Clay 56g | Number One - 731 Pastel Yellow

Vendor:
Cernit

No reviews

Regular price £2.39

Regular price ~~RRP £3.40~~ Sale price £2.39
Unit price per

Sale
Cernit Polymer Clay 56g | Number One - 259 Pastel Blue

Sale

Cernit Polymer Clay 56g | Number One - 259 Pastel Blue

Vendor:
Cernit

No reviews

Regular price £2.39

Regular price ~~RRP £3.40~~ Sale price £2.39
Unit price per

Sale
Cernit Polymer Clay 56g | Number One - 761 Orange Margose

Sale

Cernit Polymer Clay 56g | Number One - 761 Orange Margose

Vendor:
Cernit

No reviews

Regular price £2.39

Regular price ~~RRP £3.40~~ Sale price £2.39
Unit price per

Sale
Cernit Polymer Clay 56g | Number One - 616 Almond

Sale

Cernit Polymer Clay 56g | Number One - 616 Almond

Vendor:
Cernit

No reviews

Regular price £2.39

Regular price ~~RRP £3.40~~ Sale price £2.39
Unit price per

Sale
Cernit Polymer Clay 56g | Number One - 800 Brown

Sale

Cernit Polymer Clay 56g | Number One - 800 Brown

Vendor:
Cernit

No reviews

Regular price £2.39

Regular price ~~RRP £3.40~~ Sale price £2.39
Unit price per

Sale
Cernit Polymer Clay 56g | Number One - 730 Vanilla

Sale

Cernit Polymer Clay 56g | Number One - 730 Vanilla

Vendor:
Cernit

No reviews

Regular price £2.39

Regular price ~~RRP £3.40~~ Sale price £2.39
Unit price per

Sale
Cernit Polymer Clay 56g | Number One - 739 Cupcake

Sale

Cernit Polymer Clay 56g | Number One - 739 Cupcake

Vendor:
Cernit

No reviews

Regular price £2.39

Regular price ~~RRP £3.40~~ Sale price £2.39
Unit price per

Sale
Cernit Polymer Clay 56g | Number One - 600 Green

Sale

Cernit Polymer Clay 56g | Number One - 600 Green

Vendor:
Cernit

No reviews

Regular price £2.39

Regular price ~~RRP £3.40~~ Sale price £2.39
Unit price per

Sale
Cernit Polymer Clay 56g | Number One - 900 Violet

Sale

Cernit Polymer Clay 56g | Number One - 900 Violet

Vendor:
Cernit

No reviews

Regular price £2.39

Regular price ~~RRP £3.40~~ Sale price £2.39
Unit price per

Sale

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Let customers speak for us

from 2712 reviews

Clay Cutters Mini Size 10mm | Choose Your Set | Mix and Match Bundles

Reece Higham

Clay Cutters Mini Size 10mm | Choose Your Set | Mix and Match Bundles

Great quality

Great quality cutters and fast delivery. Everything was packaged lovely too!

02/24/2026

Sculpey Premo Polymer Clay | 57g - 5033 Orange

Ray M

Sculpey Premo Polymer Clay | 57g - 5033 Orange

Great service

I have ordered from this company a few times now and it has been a consistently good service. Fast and accurate delivery with a friendly personal touch to the package when delivered. I will buy from here again and highly recommend them.

02/21/2026

Leaf Clay Cutters | Triple Tiered Set

Emma Harrington

Leaf Clay Cutters | Triple Tiered Set

Gift for a friend

I bought these as a gift for my friend. She was thrilled with them. Arrived beautifully packaged and in really good time. Cutters appear to be of a very high quality. I know they will come in very useful

02/13/2026

Rounded Triangle Clay Cutter | Reuleaux

Sally

Rounded Triangle Clay Cutter | Reuleaux

Perfect Cutters

These cutters are of excellent quality. Exact measurements and robust material. This rounded triangle shape is perfect for my latest collection of coastal inspired ceramic jewellery. Thank you Kaly.

01/31/2026

Sculpey Souffle Polymer Clay | 48g - 6652 Robins Egg

Melanie Haslam

Sculpey Souffle Polymer Clay | 48g - 6652 Robins Egg

1st purchase, wont be the last

Just starting out with polymer clay and this site was really easy to help me choose what I wanted and it was delivered really quickly.

01/15/2026

Ornate Fan Texture Stamp | Rubber Embossing Mat

jean harrison

Ornate Fan Texture Stamp | Rubber Embossing Mat

I love your products.

I love your cutters good price & quality. great clays colours. would recommend to all

01/09/2026

Leaf Organic Clay Cutter

Emily Sophie

Leaf Organic Clay Cutter

Lovely items

I ordered quite a few cutters and tools from Klay and Klay. I was really pleased with all the items and they arrived in really good time. Can’t wait to order more cutters!

11/25/2025

Dagger Clay Cutter | Triangle Shard

Mariann Acs

Dagger Clay Cutter | Triangle Shard

High quality products

I ordered a few clay cutters, a blade and a silkscreen. Everything arrived in time. The packaging was very stylish. The quality of the cutters are very good and the blade is very sharp. Just what I was looking for. Also , one stamp I ordered was out of stock but got another as a free gift instead. I'm very satisfied. Thank you! ☺️

11/17/2025

Clay Cutters Mini Size 10mm | Choose Your Set | Mix and Match Bundles

Sarah Garland

Clay Cutters Mini Size 10mm | Choose Your Set | Mix and Match Bundles

Beautiful, great quality cutters

Fabulous little cutters, and a speedy efficient service from this company. Very pleased.

10/27/2025

Fish Clay Cutter | Sealife Animal | Under the Sea

Janet Bevan

Fish Clay Cutter | Sealife Animal | Under the Sea

Great service

Really please with the clay cutters I bought and had great service from Kaly re the delivery

10/26/2025

Long Thin Tear Drop Clay Cutter

Kim

Long Thin Tear Drop Clay Cutter

Have bought similar shape from another brand that broke. This one is so much better quality and sturdy

10/25/2025

Long Thin Tear Drop Clay Cutter

Kim

Long Thin Tear Drop Clay Cutter

Love this shape. Great quality

10/25/2025

Long Jewel Dangle Clay Cutter

Kim

Long Jewel Dangle Clay Cutter

Great quality

10/25/2025

Cernit Polymer Clay 250g | Translucent - 005 White

Polina Osipova

Cernit Polymer Clay 250g | Translucent - 005 White

Great as always

Buying 3rd time, and honestly it’s great shop

10/13/2025

ClayBoutique Clay Cutter (31) | Jewel Drop Shape

Kim

ClayBoutique Clay Cutter (31) | Jewel Drop Shape

Quality Vutters

Ordered a few cutters and the designs and quality are always excellent

10/12/2025

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