Twin Size Blanket (183cm x 122cm) - Also ideal for Smaller Beds, Couches, Lounging, etc. BNIB Amazon Basics All Seasons Cotton Weighted Blanket (6.8kg) - Twin : 183x122cm Dark Grey. Multi-Purpose : Weighted blanket for adults ideal for regular sleep schedule or an afternoon nap; can be used on a bed, sofa, couch or settee; suitable to help cope with sensory anxiety, insomnia and stress relief.