Your bedroom just became the ultimate playground. The Sei Mio Bed-Spreader is a fully adjustable 4-way restraint system that transforms any bed into a world of limitless pleasure and exploration — no specialist furniture required. Simply slip the straps beneath your mattress, fasten the padded cuffs, and let the fun begin.

Designed to fit every bed size from single to super king, the adjustable straps let you tighten or loosen as desired, giving you complete control over every inch of movement. The padded wrist and ankle cuffs ensure your partner stays comfortably restrained for as long as the session demands, while the quick-release Velcro fastening keeps safety firmly within reach at all times.

Versatility is at the heart of the Bed-Spreader's design. Removable cuffs offer flexibility in how you play, and the clever central carabiner design unlocks a whole range of bonus positions beyond the classic spread — keeping things fresh, exciting, and endlessly inventive. When the fun is over, the entire system packs away discreetly and is none the wiser to the uninitiated.

• 4-way under-mattress restraint system for wrist and ankle restraint
• Adjustable straps fit all bed sizes — single, double, king, and super king
• Padded cuffs for comfortable, secure restraint
• Quick-release Velcro fastening for easy, safe removal
• Removable cuffs for flexible play options
• Central carabiner design unlocks bonus positions and configurations
• Easy to fit and discreet to store when not in use