Knilling Deluxe Shoulder Rest Pouch Large (Fits 4/4 Violin Or Viola), Green A must for every student! Designed especially for use with thermoplastic case which has no rooom to store a shoulder rest The rectangular heavy-duty PVC vinyl pouch has black mesh side panels and will fit virtually all shoulder rest models Generous opening allows shoulder rest to easily fit in the pouch with plenty of extra room for other accessories Dual swivel clips rotate 360 degrees and allow the pouch to be snapped onto the shoulder strap rings or most student case handles