Heavy Duty Elastic Straps 【4+2 Design】4pcs 3-way triangle fitted sheet holder straps for 4 corners and 2pcs 2-head straight fitted sheet straps for the middle of the sheet, with these extra straight fitted sheet clips, you don't have to worry about the edges coming loose anymore, the unique [4+2] set of fitted sheet straps provides more stability of fixing the sheet, this design ensures that there is no slipping of the sheet even if babies are playing on your bed! 【High Quality Material】- The fitted sheet straps are made of heavy duty chrome metal clips; wider and durable elastic bands provide stable and stronger grip; built-in plastic tightening system that will firmly grip your sheets and protect the fabric from damage; 【Wide Compatibility】[4+2] Bed sheet straps can be used as adjustable bed base, 2-head bed sheet clips can fix the sheet on the mattress from the mattress lift point. Bed sheet fasteners are perfect for use as flat sheet and fitted sheet, work for all sizes of sheets