This is a futon compression pack compatible with stick vacuum cleaners. It allows you to compress bulky down comforters, blankets, and clothing, even with rechargeable vacuum cleaners that may have weaker suction, for compact storage. (This product can also be used for down comforters with 70% or more down content) For large futons (L) Fastener type: Slider Size: Approximately 130 x 100cm Material Storage guide: 1 single-size futon, or 1 double-size futon (folded in quarters) Instant purchase OK!