I'm at IKEA right now, and all the toilets in the bathroom displays are screwed shut so nobody can take a sh*t in them. They must've learned that lesson the hard way. :
TOSSIG Toilet seat, white/green - IKEA
Toilet seat, VALLOXEN, white - IKEA
TOFTAN Waste bin, grey, 4 l - IKEA
AQUALONA Night Light Soft Close Toilet Seat | very.co.uk
D Shaped 360mm Wrap Over Quick Release Soft Close Toilet Seat - Wholesale Domestic
TOSSIG - toilet seat, white/green | IKEA Hong Kong and Macau