Professionally designed Lap Pad to support the euphonium while playing in a sitting position. Improve and maintain a good posture while playing. Non-slip material, both top and bottom provides secure placement in the lap with minimal slippage. Adjustable by removing or inserting additional high density foam. LPT-001 is manufactured in the USA.

Features:

• improves your posture while playing
• non-slip material both top and bottom
• pillow-top to further secure the horn position 
• easily adjusted to proper height for comfortable playing
• high density foam requires 90# to compress 1 inch
• ideal for students who are experiencing growth spurts while in school
• ideal for any Euphonium player who needs to lift and hold the horn to play while sitting

Link to unsolicited review from Algridas Matonis

https://www.youtube.com/watch?v=puSTn6m4bhc