I would definitely buy one that comes in a smaller bottle.
https://www.amazon.com/Bausch-Boston-Simplus-Multi-Action-Solution/dp/B0018C5NYM/ref=mp_s_a_1_7?keywords=gas+permeable+contact+lens+solution+travel+size&qid=1673304951&sr=8-7
https://www.amazon.com/Unique-Multipurpose-Solution-Permeable-Contact/dp/B01LMPGHNU/ref=mp_s_a_1_2?crid=197OXJYM4VGKE&keywords=gas+permeable+contact+lens+solution+travel+size&qid=1673304774&sprefix=gas+permeable+contact+lens+solution+t%2Caps%2C670&sr=8-2