For use in ball pits! This is a see through, plastic bag full of 100 plastic green, yellow, red and blue balls. I have 4 of these in all and am selling them at either £6 per pack or £20 for all four. Postage will be extra and will be £2 for each pack or £6 for all four packs. email me if there is anything else you need to know and I have a picture that I could email to you. Please send the emails for Mike and I will reply to them as soon as I can. Thank you.