Braided Compression Packing
Valve and Pump Seal

Braided Mechanical Compression Packing(BMCP), or simply Compression Packing, is a soft, pliant and resilient special shaped rope material, braided with various filaments or yarns, configured for inserting into an annular space, gland or stuffing box to seal a rotary, reciprocating or static mechanical device such as a pump or valve. Compression packing is also commonly known as packing, braided packing, mechanical packing, pump gland packing, valve stem packing, rope packing.

Various spools of braided and plain sealing tape and rope against a blue background, with the brand name "minseal" repeated in the image.