This is the interfacing I use in my flat decorations & sewing kits.  It gives the finished item a 3D look.
It is also very useful for other tasks: 
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Vlieseline
Thermolam Compressed Fleece
Sew-In White
For pot holders and pot mats (use at least two layers), chairs and sofa covers, patchwork and quilting.  Can also be used as an ironing pad (use at least two layers) and as an ironing cover for the protection of sensitive fabrics (pearls, sequins).  Suitable for all fabrics.
Simply lay underneath and sew together. Quilting spacing: 15–20 cm. Can be used as an ironing pad and as an ironing cover to protect sensitive fabrics (beads, sequins).
100% crushproof polyester.  Needled fleece ideal for quilting, crafts, soft furnishing, sleeve heads, shoulder pads, and padding for ironing boards.  Washable and dry cleanable.
180g/m².  100% PES.
Sold by the half metre - multiples will be sent as one large uncut piece