Recon foam base! all with a 1/2" high density foam topper. i.e if you ordered the 3 depth that would be 2.5" recon and 0.5" topper foam.
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Spring Summer Autumn 1Pc 100% Polyester Flat Sheet Solid Color High Quality Bed Sheet Various Sizes Can Be Customized
Aliexpress UK
FeatureEVA Foam Sheets, are widely used for handmade cards, shapes, and letters.Made from EVA foam, sheets are flexible for easy cutting, and shaping, and have washable surfaces for easy cleaning.Sheets are flexible and soft, you can wrap, curve, twist, or cut with scissors the foam easily.The size is measured manually, please allow the error +/-0.1 inch before purchasing.SpecificationColor: BlackLength: 990mm/38.9 inchWidth: 355mm/13.9 inchThickness: 1mm/0.04 inchPackage: 1 Pcs x EVA Foam Sheet.
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4/8/12pcs Bed Sheet Clip Anti-Slip Quilt Blanket Buckles Holder Duvet-Sheet Fastener Fixer Bedspread Bed Cover Fixing Grippers
Aliexpress UK
25mm Thick White and Black Available. It is versatile, lightweight and easily cut to desired shapes. · Superb strength and tear resistance. · Very Lightweight. · Excellent thermal insulation properties.
eBay
Luxury Satin Flat Sheet, Solid Color Bedsheet, Soft, Comfortable, Single, Double, Twin, King Size Bedding 230x250cm/180x230cm
Aliexpress UK
Anti-vibration: resilient and high tensile strength, toughness, has a good shock / buffer performance. Sound insulation: High density closed cell, good sound insulation. Corrosion resistance: Resistance to organics solvent, acid, alkali, etc.
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100% Egyptian Cotton Bed Sheets Home Bed Linen 1000 Thread Count Fitted Sheet with Elastic Band Solid Mattress Cover 140/160 1PC
Aliexpress UK
Neoprene sponge is a closed cell material based on rubber, here are the following uses for this material. Good insulation properties, Good dynamic resistance. Has good resistance to tearing and is non-abrasive, also it has a good compatibility with adhesives and can be bonded successfully and much more.
eBay
1Pcs Bed Sheet Home Textile Modern Polyester Cotton Flat Sheets Bed Linens Single Queen King Size Bedspread(No Pillow Covers)
Aliexpress UK
White firm density 100kg Foam 1 mtr x 2 mtr x 2mm material is new, may have slight blemish Shipped with Evri UK Mainland only
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Pure Cotton Fitted Sheet Single Double Queen Size Printed Mattress Cover With Elastic Band Bedsheet Soft Comfortable Fitsheet
Aliexpress UK
【With strong adhesive】: It is a self-adhesive EPDM sealing tape made of high-quality cellular rubber with an adhesive tape on the back that can be easily stuck to the window as a seal. Strong adhesion.
eBay
High Quality Fitted Sheet 90/180/150x200 Cm Mattress Cover Elastic Band Bed Sheet Queen King Size No Pillowcases Included
Aliexpress UK
Plastazote LD45 Foam Black 2m x 1m Sheets. Various Thicknesses.
eBay
Pink Luxury Princess Wedding Lace Ruffles 100% Cotton Bedding Set Duvet Cover Bed Sheet/Bed Skirt/Fitted Sheet Pillowcases 4Pcs
Aliexpress UK