onesie

listen to the pronunciation of onesie
الإنجليزية - التركية
(Giyim) Tek parça, kolayca giydirilebilen bebek tulumu

I was folding all the onesies and sleepers.

الإنجليزية - الإنجليزية
A one-piece garment for an infant or small child, generally worn over a diaper
(Giyim) Onesie or onesize is American English for a bodysuit for infants designed to conceal a diaper when worn. It is also called a creeper, diaper shirt or snapsuit. The British English equivalent is babygro. Onesie is a genericized trademark registered to Gerber Childrenswear, Inc., which continues to defend its trademark. Babygro is also a trademark brand, invented in the U.S. in the 1950s by Walter Artzt
onesie-twosie
Individually or in very small groups, rather in larger batches

Why don't you prepare a whole stack of handouts in advance rather than getting out the supplies each time, onsie-twosie?.